Registreeru, et avada oma eksklusiivsed B2B hinnad ja alustada ostlemist. Registreeru kohe!

KAISER Kaabli sisselaskeava - Lk 45

Lock nut polyamide Pg36 Lightgrey RAL 7035
In stock: No
KAISER
Lock nut polyamide Pg36 Lightgrey RAL 7035
0,54 €
Hind kehtib kuni 24.12.25
Vahesumma: 13,50 € MOQ: 25
EAN: 7611614233154
MPN: 8255.36
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut polyamide M40x1.5 Lightgrey RAL 7035
In stock: No
KAISER
Lock nut polyamide M40x1.5 Lightgrey RAL 7035
0,56 €
Hind kehtib kuni 24.12.25
Vahesumma: 28,00 € MOQ: 50
EAN: 7611614223032
MPN: 8255.40
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut brass Pg11 thick-walled version
In stock: No
KAISER
Lock nut brass Pg11 thick-walled version
3,13 €
Hind kehtib kuni 24.12.25
Vahesumma: 156,50 € MOQ: 50
EAN: 7611614148571
MPN: 8300.11
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut brass M20x1.5 with recess for o-ring
In stock: No
KAISER
Lock nut brass M20x1.5 with recess for o-ring
2,99 €
Hind kehtib kuni 24.12.25
Vahesumma: 149,50 € MOQ: 50
EAN: 7611614163529
MPN: 8300.20.1
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut brass M32x1.5 with recess for o-ring
In stock: No
KAISER
Lock nut brass M32x1.5 with recess for o-ring
4,37 €
Hind kehtib kuni 24.12.25
Vahesumma: 218,50 € MOQ: 50
EAN: 7611614163543
MPN: 8300.32.1
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut brass M40x1.5 with recess for o-ring
In stock: No
KAISER
Lock nut brass M40x1.5 with recess for o-ring
6,80 €
Hind kehtib kuni 24.12.25
Vahesumma: 340,00 € MOQ: 50
EAN: 7611614163550
MPN: 8300.40.1
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut for drainage M12x1.5 nickel-plated brass
In stock: No
KAISER
Lock nut for drainage M12x1.5 nickel-plated brass
4,79 €
Hind kehtib kuni 24.12.25
Vahesumma: 119,75 € MOQ: 25
EAN: 7611614270036
MPN: 8324.12
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Lock nut brass M63x1.5 with recess for o-ring
In stock: No
KAISER
Lock nut brass M63x1.5 with recess for o-ring
11,11 €
Hind kehtib kuni 24.12.25
Vahesumma: 111,10 € MOQ: 10
EAN: 7611614163574
MPN: 8300.63.1
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg 9 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg 9 with o-ring NBR
2,47 €
Hind kehtib kuni 24.12.25
Vahesumma: 247,00 € MOQ: 100
EAN: 7611614046679
MPN: 8709.11.08
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass M8x1.25 with o-ring NBR
In stock: No
KAISER
Locking screw brass M8x1.25 with o-ring NBR
1,91 €
Hind kehtib kuni 24.12.25
Vahesumma: 95,50 € MOQ: 50
EAN: 7611614056326
MPN: 8708.08
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg11 Ex d IIC, with o-ring
In stock: No
KAISER
Locking screw brass Pg11 Ex d IIC, with o-ring
13,50 €
Hind kehtib kuni 24.12.25
Vahesumma: 135,00 € MOQ: 10
EAN: 7611614061405
MPN: 8710.11
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg13 Ex d IIC, with o-ring
In stock: No
KAISER
Locking screw brass Pg13 Ex d IIC, with o-ring
5,94 €
Hind kehtib kuni 24.12.25
Vahesumma: 59,40 € MOQ: 10
EAN: 7611614061412
MPN: 8710.13
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass M20x1.5 Ex d IIC, with o-ring
In stock: No
KAISER
Locking screw brass M20x1.5 Ex d IIC, with o-ring
7,42 €
Hind kehtib kuni 24.12.25
Vahesumma: 74,20 € MOQ: 10
EAN: 7611614140216
MPN: 8710.20
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass M63x1.5 Ex d IIC, with o-ring
In stock: No
KAISER
Locking screw brass M63x1.5 Ex d IIC, with o-ring
43,69 €
Hind kehtib kuni 24.12.25
Vahesumma: 436,90 € MOQ: 10
EAN: 7611614140261
MPN: 8710.63
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M10x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M10x1.5 with o-ring FPM
15,97 €
Hind kehtib kuni 24.12.25
Vahesumma: 798,50 € MOQ: 50
EAN: 7611614161099
MPN: 8710.96.08
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass M50x1.5 Ex d IIC, with o-ring
In stock: No
KAISER
Locking screw brass M50x1.5 Ex d IIC, with o-ring
26,58 €
Hind kehtib kuni 24.12.25
Vahesumma: 265,80 € MOQ: 10
EAN: 7611614140254
MPN: 8710.50
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg11 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg11 with o-ring NBR
2,72 €
Hind kehtib kuni 24.12.25
Vahesumma: 272,00 € MOQ: 100
EAN: 7611614046709
MPN: 8711.11.08
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M12x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M12x1.5 with o-ring NBR
15,97 €
Hind kehtib kuni 24.12.25
Vahesumma: 798,50 € MOQ: 50
EAN: 7611614161006
MPN: 8712.96.11.08.70
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg13 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg13 with o-ring NBR
2,94 €
Hind kehtib kuni 24.12.25
Vahesumma: 147,00 € MOQ: 50
EAN: 7611614046730
MPN: 8713.11.08
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg16 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg16 with o-ring NBR
3,15 €
Hind kehtib kuni 24.12.25
Vahesumma: 157,50 € MOQ: 50
EAN: 7611614046761
MPN: 8716.11.08
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg21 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg21 with o-ring NBR
4,03 €
Hind kehtib kuni 24.12.25
Vahesumma: 40,30 € MOQ: 10
EAN: 7611614046785
MPN: 8721.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg21 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg21 with o-ring NBR
4,80 €
Hind kehtib kuni 24.12.25
Vahesumma: 48,00 € MOQ: 10
EAN: 7611614046792
MPN: 8721.11.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M20x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M20x1.5 with o-ring NBR
19,99 €
Hind kehtib kuni 24.12.25
Vahesumma: 499,75 € MOQ: 25
EAN: 7611614161020
MPN: 8720.96.11.08.70
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M32x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M32x1.5 with o-ring FPM
30,09 €
Hind kehtib kuni 24.12.25
Vahesumma: 300,90 € MOQ: 10
EAN: 7611614161242
MPN: 8732.96.11.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M32x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M32x1.5 with o-ring NBR
28,65 €
Hind kehtib kuni 24.12.25
Vahesumma: 286,50 € MOQ: 10
EAN: 7611614161044
MPN: 8732.96.11.08.70
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass Pg36 with o-ring NBR
In stock: No
KAISER
Locking screw brass Pg36 with o-ring NBR
15,06 €
Hind kehtib kuni 24.12.25
Vahesumma: 150,60 € MOQ: 10
EAN: 7611614046860
MPN: 8736.11.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
KAISER
In stock: No
KAISER
Locking screw brass M16x1,5 with o-ring
5,11 €
Hind kehtib kuni 24.12.25
Vahesumma: 255,50 € MOQ: 50
EAN: 4013456545946
MPN: 8745.17.04
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
KAISER
In stock: No
KAISER
Locking screw brass M32x1,5 with o-ring
11,75 €
Hind kehtib kuni 24.12.25
Vahesumma: 117,50 € MOQ: 10
EAN: 4013456545960
MPN: 8745.32.04
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
KAISER
In stock: No
KAISER
Locking screw brass M12x1,5 with o-ring
9,64 €
Hind kehtib kuni 24.12.25
Vahesumma: 241,00 € MOQ: 25
EAN: 7611614274287
MPN: 8745.25.04
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
KAISER
In stock: No
KAISER
Locking screw brass M20x1,5 with o-ring
7,25 €
Hind kehtib kuni 24.12.25
Vahesumma: 362,50 € MOQ: 50
EAN: 4013456545953
MPN: 8745.20.04
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass G 2'' with o-ring NBR
In stock: No
KAISER
Locking screw brass G 2'' with o-ring NBR
27,52 €
Hind kehtib kuni 24.12.25
Vahesumma: 275,20 € MOQ: 10
EAN: 7611614046907
MPN: 8748.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw brass M50x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw brass M50x1.5 with o-ring NBR
23,26 €
Hind kehtib kuni 24.12.25
Vahesumma: 232,60 € MOQ: 10
EAN: 7611614123721
MPN: 8750.11.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M50x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M50x1.5 with o-ring NBR
59,15 €
Hind kehtib kuni 24.12.25
Vahesumma: 591,50 € MOQ: 10
EAN: 7611614161068
MPN: 8750.96.11.08.70
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M50x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M50x1.5 with o-ring FPM
51,93 €
Hind kehtib kuni 24.12.25
Vahesumma: 519,30 € MOQ: 10
EAN: 7611614161167
MPN: 8750.96.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M63x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M63x1.5 with o-ring FPM
95,21 €
Hind kehtib kuni 24.12.25
Vahesumma: 952,10 € MOQ: 10
EAN: 7611614161273
MPN: 8763.96.11.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M63x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M63x1.5 with o-ring FPM
84,29 €
Hind kehtib kuni 24.12.25
Vahesumma: 842,90 € MOQ: 10
EAN: 7611614161174
MPN: 8763.96.08
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M63x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M63x1.5 with o-ring NBR
81,81 €
Hind kehtib kuni 24.12.25
Vahesumma: 818,10 € MOQ: 10
EAN: 7611614160979
MPN: 8763.96.08.70
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M75x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M75x1.5 with o-ring FPM
461,62 €
Hind kehtib kuni 24.12.25
Vahesumma: 2 308,10 € MOQ: 5
EAN: 7611614161181
MPN: 8775.96.08
Karp: 5
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 M63x1.5 with o-ring NBR
In stock: No
KAISER
Locking screw steel A2 M63x1.5 with o-ring NBR
92,63 €
Hind kehtib kuni 24.12.25
Vahesumma: 926,30 € MOQ: 10
EAN: 7611614161075
MPN: 8763.96.11.08.70
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw steel A2 HT M75x1.5 with o-ring FPM
In stock: No
KAISER
Locking screw steel A2 HT M75x1.5 with o-ring FPM
482,23 €
Hind kehtib kuni 24.12.25
Vahesumma: 2 411,15 € MOQ: 5
EAN: 7611614161280
MPN: 8775.96.11.08
Karp: 5
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic Pg 7 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic Pg 7 Lightgrey RAL 7035
0,304 €
Hind kehtib kuni 24.12.25
Vahesumma: 30,40 € MOQ: 100
EAN: 7611614013510
MPN: 8807
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic Pg11 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic Pg11 Lightgrey RAL 7035
0,345 €
Hind kehtib kuni 24.12.25
Vahesumma: 34,50 € MOQ: 100
EAN: 7611614013534
MPN: 8811
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic Pg13 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic Pg13 Lightgrey RAL 7035
0,43 €
Hind kehtib kuni 24.12.25
Vahesumma: 43,00 € MOQ: 100
EAN: 7611614013541
MPN: 8813
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic Pg21 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic Pg21 Lightgrey RAL 7035
0,59 €
Hind kehtib kuni 24.12.25
Vahesumma: 59,00 € MOQ: 100
EAN: 7611614013565
MPN: 8821
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic Pg29 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic Pg29 Lightgrey RAL 7035
1,31 €
Hind kehtib kuni 24.12.25
Vahesumma: 65,50 € MOQ: 50
EAN: 7611614013572
MPN: 8829
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M12x1.5 Ex e II, black RAL 9005, with o-ring NBR
In stock: No
KAISER
Locking screw synthetic M12x1.5 Ex e II, black RAL 9005, with o-ring NBR
4,72 €
Hind kehtib kuni 24.12.25
Vahesumma: 472,00 € MOQ: 100
EAN: 7611614060309
MPN: 8841.12
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M40x1.5 Ex e II, black RAL 9005, with o-ring NBR
In stock: No
KAISER
Locking screw synthetic M40x1.5 Ex e II, black RAL 9005, with o-ring NBR
9,50 €
Hind kehtib kuni 24.12.25
Vahesumma: 475,00 € MOQ: 50
EAN: 7611614060347
MPN: 8841.40
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M63x1.5 Ex e II, black RAL 9005, with o-ring NBR
In stock: No
KAISER
Locking screw synthetic M63x1.5 Ex e II, black RAL 9005, with o-ring NBR
13,29 €
Hind kehtib kuni 24.12.25
Vahesumma: 132,90 € MOQ: 10
EAN: 7611614060361
MPN: 8841.63
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M50x1.5 Ex e II, black RAL 9005, with o-ring NBR
In stock: No
KAISER
Locking screw synthetic M50x1.5 Ex e II, black RAL 9005, with o-ring NBR
10,23 €
Hind kehtib kuni 24.12.25
Vahesumma: 255,75 € MOQ: 25
EAN: 7611614060354
MPN: 8841.50
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M25x1.5 Black RAL 9005
In stock: No
KAISER
Locking screw synthetic M25x1.5 Black RAL 9005
0,191 €
Hind kehtib kuni 24.12.25
Vahesumma: 19,10 € MOQ: 100
EAN: 7611614223261
MPN: 8845.25
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M32x1.5 Black RAL 9005
In stock: No
KAISER
Locking screw synthetic M32x1.5 Black RAL 9005
0,262 €
Hind kehtib kuni 24.12.25
Vahesumma: 13,10 € MOQ: 50
EAN: 7611614223278
MPN: 8845.32
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M25x1.5 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic M25x1.5 Lightgrey RAL 7035
0,191 €
Hind kehtib kuni 24.12.25
Vahesumma: 19,10 € MOQ: 100
EAN: 7611614223186
MPN: 8855.25
Karp: 100
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Locking screw synthetic M32x1.5 Lightgrey RAL 7035
In stock: No
KAISER
Locking screw synthetic M32x1.5 Lightgrey RAL 7035
0,262 €
Hind kehtib kuni 24.12.25
Vahesumma: 13,10 € MOQ: 50
EAN: 7611614223193
MPN: 8855.32
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK Pg13 Cable Ø 10.5x2.5-13x5 mm
In stock: No
KAISER
Cable gland Progress brass FK Pg13 Cable Ø 10.5x2.5-13x5 mm
13,19 €
Hind kehtib kuni 24.12.25
Vahesumma: 659,50 € MOQ: 50
EAN: 7611614129570
MPN: 1300.13.130.050
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK Pg16 Cable Ø 12.5x2.5-15x5 mm
In stock: No
KAISER
Cable gland Progress brass FK Pg16 Cable Ø 12.5x2.5-15x5 mm
13,19 €
Hind kehtib kuni 24.12.25
Vahesumma: 659,50 € MOQ: 50
EAN: 7611614129600
MPN: 1300.16.150.050
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK M20x1.5 Cable Ø 10.5x2.5-13x5 mm
In stock: No
KAISER
Cable gland Progress brass FK M20x1.5 Cable Ø 10.5x2.5-13x5 mm
12,67 €
Hind kehtib kuni 24.12.25
Vahesumma: 633,50 € MOQ: 50
EAN: 7611614130156
MPN: 1300.20.130.050
Karp: 50
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK Pg29 Cable Ø 23.5x6-26.5x9 mm
In stock: No
KAISER
Cable gland Progress brass FK Pg29 Cable Ø 23.5x6-26.5x9 mm
32,71 €
Hind kehtib kuni 24.12.25
Vahesumma: 817,75 € MOQ: 25
EAN: 7611614129655
MPN: 1300.29.265.090
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK Pg29 Cable Ø 27x7-30x10 mm
In stock: No
KAISER
Cable gland Progress brass FK Pg29 Cable Ø 27x7-30x10 mm
32,71 €
Hind kehtib kuni 24.12.25
Vahesumma: 817,75 € MOQ: 25
EAN: 7611614129679
MPN: 1300.29.300.100
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK M32x1.5 Cable Ø 19x5-22x8 mm
In stock: No
KAISER
Cable gland Progress brass FK M32x1.5 Cable Ø 19x5-22x8 mm
18,90 €
Hind kehtib kuni 24.12.25
Vahesumma: 472,50 € MOQ: 25
EAN: 7611614130217
MPN: 1300.32.220.080
Karp: 25
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks
Cable gland Progress brass FK M40x1.5 Cable Ø 23.5x6-26.5x9 mm
In stock: No
KAISER
Cable gland Progress brass FK M40x1.5 Cable Ø 23.5x6-26.5x9 mm
37,07 €
Hind kehtib kuni 24.12.25
Vahesumma: 370,70 € MOQ: 10
EAN: 7611614130231
MPN: 1300.40.265.090
Karp: 10
Hinnanguline tarneaeg meie laos (umbes): 4-6 weeks