Register to unlock your exclusive B2B prices and start shopping. Sign up now!

Proximity Sensors - Page 161

ABB EATON PROMFACTOR BALTIC Schneider Electric Siemens Weidmüller
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2120B
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2120B
14,55 €
This price is valid until 24.12.25
EAN: 4548583549432
MPN: E2B-M12KN05-WP-B1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2126A
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2126A
14,55 €
This price is valid until 24.12.25
EAN: 4548583549494
MPN: E2B-M12KN05-WP-C2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2169E
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2169E
18,17 €
This price is valid until 24.12.25
EAN: 4548583549920
MPN: E2B-M12KN08-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2177F
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2177F
16,22 €
This price is valid until 24.12.25
EAN: 4548583550001
MPN: E2B-M12KN08-M1-C1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2172E
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, unshielded E2B 2172E
16,22 €
This price is valid until 24.12.25
EAN: 4548583549951
MPN: E2B-M12KN08-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12,shielded, 2 E2B 2107E
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12,shielded, 2 E2B 2107E
14,55 €
This price is valid until 24.12.25
EAN: 4548583549302
MPN: E2B-M12KS02-M1-C2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2097D
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2097D
16,22 €
This price is valid until 24.12.25
EAN: 4548583549203
MPN: E2B-M12KS02-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2154G
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2154G
16,22 €
This price is valid until 24.12.25
EAN: 4548583549777
MPN: E2B-M12KS04-M1-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2098B
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2098B
14,55 €
This price is valid until 24.12.25
EAN: 4548583549210
MPN: E2B-M12KS02-WP-B2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2147D
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2147D
18,17 €
This price is valid until 24.12.25
EAN: 4548583549708
MPN: E2B-M12KS04-WP-B2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2145H
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2145H
18,17 €
This price is valid until 24.12.25
EAN: 4548583549685
MPN: E2B-M12KS04-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2143A
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2143A
14,55 €
This price is valid until 24.12.25
EAN: 4548583549661
MPN: E2B-M12LN05-M1-C2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2149M
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M12, shielded, E2B 2149M
18,17 €
This price is valid until 24.12.25
EAN: 4548583549722
MPN: E2B-M12KS04-WP-C1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2132F
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2132F
14,55 €
This price is valid until 24.12.25
EAN: 4548583549555
MPN: E2B-M12LN05-WP-B1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2139C
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2139C
16,22 €
This price is valid until 24.12.25
EAN: 4548583549623
MPN: E2B-M12LN05-WP-C2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 5 E2B 2133D
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 5 E2B 2133D
16,22 €
This price is valid until 24.12.25
EAN: 4548583549562
MPN: E2B-M12LN05-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2137G
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2137G
16,22 €
This price is valid until 24.12.25
EAN: 4548583549609
MPN: E2B-M12LN05-WP-C1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 8 E2B 2181D
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 8 E2B 2181D
18,17 €
This price is valid until 24.12.25
EAN: 4548583550049
MPN: E2B-M12LN08-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 8 E2B 2183M
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body,M12,unshielded, 8 E2B 2183M
18,17 €
This price is valid until 24.12.25
EAN: 4548583550063
MPN: E2B-M12LN08-WP-B2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2185G
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2185G
18,17 €
This price is valid until 24.12.25
EAN: 4548583550087
MPN: E2B-M12LN08-WP-C1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, unshi E2B 2189M
Order only
Omron
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, unshi E2B 2189M
16,22 €
This price is valid until 24.12.25
EAN: 4548583550124
MPN: E2B-M12LN08-M1-C1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12,shielded, 2 E2B 2118M
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12,shielded, 2 E2B 2118M
14,55 €
This price is valid until 24.12.25
EAN: 4548583549418
MPN: E2B-M12LS02-M1-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, unshi E2B 2180F
Order only
Omron
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, unshi E2B 2180F
16,22 €
This price is valid until 24.12.25
EAN: 4548583550032
MPN: E2B-M12LN08-WP-B1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, shiel E2B 2116D
Order only
Omron
Proximity sensor, LITE, inductive, nickel-brass, long body, M12, shiel E2B 2116D
14,55 €
This price is valid until 24.12.25
EAN: 4548583549395
MPN: E2B-M12LS02-M1-B1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2186E
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, unshielded, E2B 2186E
16,22 €
This price is valid until 24.12.25
EAN: 4548583550094
MPN: E2B-M12LN08-WP-C2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, shielded, 4 E2B 2162H
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, shielded, 4 E2B 2162H
16,22 €
This price is valid until 24.12.25
EAN: 4548583549852
MPN: E2B-M12LS04-WP-C2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M12, shielded, 4 E2B 2163F
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M12, shielded, 4 E2B 2163F
18,17 €
This price is valid until 24.12.25
EAN: 4548583549869
MPN: E2B-M12LS04-WP-C2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2292F
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2292F
17,10 €
This price is valid until 24.12.25
EAN: 4548583551152
MPN: E2B-M18KN10-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2295M
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2295M
19,03 €
This price is valid until 24.12.25
EAN: 4548583551183
MPN: E2B-M18KN10-WP-C2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2298E
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2298E
17,10 €
This price is valid until 24.12.25
EAN: 4548583551213
MPN: E2B-M18KN10-M1-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2338H
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2338H
19,03 €
This price is valid until 24.12.25
EAN: 4548583551619
MPN: E2B-M18KN16-WP-B2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2345M
Order only
Omron
Proximity sensor, inductive, nickel-brass, short body, M18, unshielded E2B 2345M
19,03 €
This price is valid until 24.12.25
EAN: 4548583551688
MPN: E2B-M18KN16-M1-C1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, nickel-brass, long body, M30, shielded, 1 E2B 2204G
Order only
Omron
Proximity sensor, inductive, nickel-brass, long body, M30, shielded, 1 E2B 2204G
19,88 €
This price is valid until 24.12.25
EAN: 4548583550278
MPN: E2B-M30LS10-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2004D
Order only
Omron
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2004D
16,22 €
This price is valid until 24.12.25
EAN: 4548583548275
MPN: E2B-S08KS01-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2046M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2046M
16,22 €
This price is valid until 24.12.25
EAN: 4548583548695
MPN: E2B-S08LN02-MC-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2051F
Order only
Omron
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2051F
19,88 €
This price is valid until 24.12.25
EAN: 4548583548749
MPN: E2B-S08KS02-WP-B2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2053B
Order only
Omron
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2053B
19,88 €
This price is valid until 24.12.25
EAN: 4548583548763
MPN: E2B-S08KS02-WP-C1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2045A
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2045A
16,22 €
This price is valid until 24.12.25
EAN: 4548583548688
MPN: E2B-S08LN02-MC-C1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2047H
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2047H
16,22 €
This price is valid until 24.12.25
EAN: 4548583548701
MPN: E2B-S08LN02-MC-C2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2038R
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2038R
16,22 €
This price is valid until 24.12.25
EAN: 4548583548619
MPN: E2B-S08LN02-WP-B2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2037M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2037M
18,17 €
This price is valid until 24.12.25
EAN: 4548583548602
MPN: E2B-S08LN02-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2055R
Order only
Omron
Proximity sensor, inductive, stainless steel, short body, M8, shielded E2B 2055R
19,88 €
This price is valid until 24.12.25
EAN: 4548583548787
MPN: E2B-S08KS02-WP-C2 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2042G
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2042G
16,22 €
This price is valid until 24.12.25
EAN: 4548583548657
MPN: E2B-S08LN02-WP-C2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2094M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2094M
18,17 €
This price is valid until 24.12.25
EAN: 4548583549173
MPN: E2B-S08LN04-MC-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2095H
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2095H
18,17 €
This price is valid until 24.12.25
EAN: 4548583549180
MPN: E2B-S08LN04-MC-C2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2085M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2085M
19,88 €
This price is valid until 24.12.25
EAN: 4548583549081
MPN: E2B-S08LN04-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, stainless steel, long body, M8, uns E2B 2084B
Order only
Omron
Proximity sensor, LITE, inductive, stainless steel, long body, M8, uns E2B 2084B
18,17 €
This price is valid until 24.12.25
EAN: 4548583549074
MPN: E2B-S08LN04-WP-B1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2040M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, unshielde E2B 2040M
16,22 €
This price is valid until 24.12.25
EAN: 4548583548633
MPN: E2B-S08LN02-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2021D
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2021D
16,22 €
This price is valid until 24.12.25
EAN: 4548583548442
MPN: E2B-S08LS01-MC-C1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2014A
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2014A
16,22 €
This price is valid until 24.12.25
EAN: 4548583548374
MPN: E2B-S08LS01-WP-B2 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, stainless steel, long body, M8, shi E2B 2070B
Order only
Omron
Proximity sensor, LITE, inductive, stainless steel, long body, M8, shi E2B 2070B
18,17 €
This price is valid until 24.12.25
EAN: 4548583548930
MPN: E2B-S08LS02-MC-B2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2016H
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2016H
16,22 €
This price is valid until 24.12.25
EAN: 4548583548398
MPN: E2B-S08LS01-WP-C1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, LITE, inductive, stainless steel, long body, M8, shi E2B 2068M
Order only
Omron
Proximity sensor, LITE, inductive, stainless steel, long body, M8, shi E2B 2068M
18,17 €
This price is valid until 24.12.25
EAN: 4548583548916
MPN: E2B-S08LS02-MC-B1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2071M
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2071M
18,17 €
This price is valid until 24.12.25
EAN: 4548583548947
MPN: E2B-S08LS02-MC-C2
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2061C
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 2061C
19,88 €
This price is valid until 24.12.25
EAN: 4548583548848
MPN: E2B-S08LS02-WP-B1 5M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 7706B
Order only
Omron
Proximity sensor, inductive, stainless steel, long body, M8, shielded, E2B 7706B
21,62 €
This price is valid until 24.12.25
EAN: 4548583741911
MPN: E2B-S08LS02-WP-B1 7M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Sensors, Proximity Sensors, Other proximity sensor, E2E2-X18MY1 2M E2E27109R
Order only
Omron
Sensors, Proximity Sensors, Other proximity sensor, E2E2-X18MY1 2M E2E27109R
76,18 €
This price is valid until 24.12.25
EAN: 4547648310161
MPN: E2E2-X18MY1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Inductive proximity sensor head, non-ferrous metal targets, M5, 1.5 mm E2CY1001D
Order only
Omron
Inductive proximity sensor head, non-ferrous metal targets, M5, 1.5 mm E2CY1001D
106,46 €
This price is valid until 24.12.25
EAN: 4536853244323
MPN: E2CY-X1R5A 3M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, long body, M12, shielded, 2 mm, NO, AC, 2-wire, 2 m E2E27100E
Order only
Omron
Proximity sensor, long body, M12, shielded, 2 mm, NO, AC, 2-wire, 2 m E2E27100E
65,00 €
This price is valid until 24.12.25
EAN: 4547648310079
MPN: E2E2-X2Y1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Proximity sensor, long body, M18, unshielded, 10 mm, NO, AC, 2-wire, 2 E2E27103M
Order only
Omron
Proximity sensor, long body, M18, unshielded, 10 mm, NO, AC, 2-wire, 2 E2E27103M
65,20 €
This price is valid until 24.12.25
EAN: 4547648310109
MPN: E2E2-X10MY1 2M
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks