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

RZB Street and park luminaires

LUPALO POLLER, 36 W, 3900 lm, 730, anthracite, DALI Bollards, D 187 H
Order only
RZB
LUPALO POLLER, 36 W, 3900 lm, 730, anthracite, DALI Bollards, D 187 H
557,61 €
This price is valid until 24.12.25
EAN: 4051859566922
MPN: 982705.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LUPALO LATERNE, 20 W, 850 lm, 840, anthracite, Phase-cut Bollards, D 1
Order only
RZB
LUPALO LATERNE, 20 W, 850 lm, 840, anthracite, Phase-cut Bollards, D 1
417,99 €
This price is valid until 24.12.25
EAN: 4051859567035
MPN: 982706.0031.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LUPALO POLLER, 36 W, 4150 lm, 740, silver, DALI Bollards, D 187 H 243
Order only
RZB
LUPALO POLLER, 36 W, 4150 lm, 740, silver, DALI Bollards, D 187 H 243
557,61 €
This price is valid until 24.12.25
EAN: 4051859566984
MPN: 982705.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LUPALO TOWER, 20 W, 870 lm, 840, anthracite, Phase-cut Bollards, D 187
Order only
RZB
LUPALO TOWER, 20 W, 870 lm, 840, anthracite, Phase-cut Bollards, D 187
417,99 €
This price is valid until 24.12.25
EAN: 4051859567073
MPN: 982707.0031.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LUPALO TOWER, 20 W, 810 lm, 830, silver, Phase-cut Bollards, D 187 H 2
Order only
RZB
LUPALO TOWER, 20 W, 810 lm, 830, silver, Phase-cut Bollards, D 187 H 2
417,99 €
This price is valid until 24.12.25
EAN: 4051859567097
MPN: 982707.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
LUPALO TOWER, 20 W, 870 lm, 840, silver, Phase-cut Bollards, D 187 H 2
Order only
RZB
LUPALO TOWER, 20 W, 870 lm, 840, silver, Phase-cut Bollards, D 187 H 2
417,99 €
This price is valid until 24.12.25
EAN: 4051859567103
MPN: 982707.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Pole mounting L 894 B 787 H 250 d 76 colour: anthracite
Order only
RZB
Pole mounting L 894 B 787 H 250 d 76 colour: anthracite
513,27 €
This price is valid until 24.12.25
EAN: 4051859450726
MPN: 982589.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
Pole mounting L 1015 B 1015 H 250 d 76 colour: anthracite
Order only
RZB
Pole mounting L 1015 B 1015 H 250 d 76 colour: anthracite
661,36 €
This price is valid until 24.12.25
EAN: 4051859446934
MPN: 982590.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, silver, on/off Bollards, D 115 H 1000
Order only
RZB
MEGA TUBE, silver, on/off Bollards, D 115 H 1000
383,78 €
This price is valid until 24.12.25
EAN: 4051859074137
MPN: 611876.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 10 W, 900 lm, 840, anthracite, on/off Bollards, D 115 H 600
Order only
RZB
MEGA TUBE, 10 W, 900 lm, 840, anthracite, on/off Bollards, D 115 H 600
439,80 €
This price is valid until 24.12.25
EAN: 4051859074168
MPN: 611872.0031.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, anthracite, on/off Bollards, D 115 H 600
Order only
RZB
MEGA TUBE, anthracite, on/off Bollards, D 115 H 600
313,61 €
This price is valid until 24.12.25
EAN: 4051859074106
MPN: 611875.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, anthracite, on/off Bollards, D 115 H 1000
Order only
RZB
MEGA TUBE, anthracite, on/off Bollards, D 115 H 1000
383,78 €
This price is valid until 24.12.25
EAN: 4051859074120
MPN: 611876.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 10 W, 860 lm, 830, anthracite, on/off Bollards, D 115 H 600
Order only
RZB
MEGA TUBE, 10 W, 860 lm, 830, anthracite, on/off Bollards, D 115 H 600
439,80 €
This price is valid until 24.12.25
EAN: 4051859074144
MPN: 611872.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, silver, on/off Bollards, D 140 H
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, silver, on/off Bollards, D 140 H
435,44 €
This price is valid until 24.12.25
EAN: 4051859426820
MPN: 611882.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, smart+free Bollards,
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, smart+free Bollards,
605,60 €
This price is valid until 24.12.25
EAN: 4051859939641
MPN: 611883.0031.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, silver, smart+free Bollards, D 14
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, silver, smart+free Bollards, D 14
605,60 €
This price is valid until 24.12.25
EAN: 4051859939658
MPN: 611883.004.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, DALI Bollards, D 140
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, DALI Bollards, D 140
500,89 €
This price is valid until 24.12.25
EAN: 4051859939603
MPN: 611883.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, anthracite, DALI Bollards, D 140
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, anthracite, DALI Bollards, D 140
500,89 €
This price is valid until 24.12.25
EAN: 4051859939627
MPN: 611883.0031.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, on/off Bollards, D 14
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 490 lm, 830, anthracite, on/off Bollards, D 14
457,26 €
This price is valid until 24.12.25
EAN: 4051859074342
MPN: 611883.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, anthracite, smart+free Bollards,
Order only
RZB
MEGA GÜRTELLINSE, 10 W, 510 lm, 840, anthracite, smart+free Bollards,
605,60 €
This price is valid until 24.12.25
EAN: 4051859939672
MPN: 611883.0031.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 1800 lm, 840, silver, smart+free Bollards, D 156 H 18
Order only
RZB
MEGA TUBE, 18 W, 1800 lm, 840, silver, smart+free Bollards, D 156 H 18
863,02 €
This price is valid until 24.12.25
EAN: 4051859938798
MPN: 611917.004.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 1750 lm, 830, anthracite, smart+free Bollards, D 156
Order only
RZB
MEGA TUBE, 18 W, 1750 lm, 830, anthracite, smart+free Bollards, D 156
941,56 €
This price is valid until 24.12.25
EAN: 4051859938545
MPN: 611918.0031.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 1800 lm, 840, silver, smart+free Bollards, D 156 H 24
Order only
RZB
MEGA TUBE, 18 W, 1800 lm, 840, silver, smart+free Bollards, D 156 H 24
941,56 €
This price is valid until 24.12.25
EAN: 4051859938576
MPN: 611918.004.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2100 lm, 830, anthracite, DALI Bollards, D 156 H 1400
Order only
RZB
MEGA TUBE, 18 W, 2100 lm, 830, anthracite, DALI Bollards, D 156 H 1400
644,87 €
This price is valid until 24.12.25
EAN: 4051859938415
MPN: 611919.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2150 lm, 840, anthracite, DALI Bollards, D 156 H 1800
Order only
RZB
MEGA TUBE, 18 W, 2150 lm, 840, anthracite, DALI Bollards, D 156 H 1800
723,41 €
This price is valid until 24.12.25
EAN: 4051859938354
MPN: 611920.0031.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2150 lm, 840, anthracite, smart+free Bollards, D 156
Order only
RZB
MEGA TUBE, 18 W, 2150 lm, 840, anthracite, smart+free Bollards, D 156
828,12 €
This price is valid until 24.12.25
EAN: 4051859938392
MPN: 611920.0031.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2100 lm, 830, anthracite, DALI Bollards, D 156 H 1800
Order only
RZB
MEGA TUBE, 18 W, 2100 lm, 830, anthracite, DALI Bollards, D 156 H 1800
723,41 €
This price is valid until 24.12.25
EAN: 4051859938330
MPN: 611920.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2150 lm, 840, silver, smart+free Bollards, D 156 H 18
Order only
RZB
MEGA TUBE, 18 W, 2150 lm, 840, silver, smart+free Bollards, D 156 H 18
828,12 €
This price is valid until 24.12.25
EAN: 4051859938408
MPN: 611920.004.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TUBE, 18 W, 2100 lm, 830, silver, smart+free Bollards, D 156 H 18
Order only
RZB
MEGA TUBE, 18 W, 2100 lm, 830, silver, smart+free Bollards, D 156 H 18
828,12 €
This price is valid until 24.12.25
EAN: 4051859938385
MPN: 611920.004.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 24 W, 2100 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 24 W, 2100 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
1 269,58 €
This price is valid until 24.12.25
EAN: 4051859134701
MPN: 611940.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 24 W, 1800 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 24 W, 1800 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
1 269,58 €
This price is valid until 24.12.25
EAN: 4051859134688
MPN: 611940.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 24 W, 2100 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 24 W, 2100 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
1 269,58 €
This price is valid until 24.12.25
EAN: 4051859134749
MPN: 611941.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 45 W, 3450 lm, 730, anthracite, DALI Pole top luminaires, D 500
Order only
RZB
GONIA, 45 W, 3450 lm, 730, anthracite, DALI Pole top luminaires, D 500
1 437,63 €
This price is valid until 24.12.25
EAN: 4051859135036
MPN: 611944.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 45 W, 3450 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 45 W, 3450 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
1 437,63 €
This price is valid until 24.12.25
EAN: 4051859134954
MPN: 611944.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 65 W, 5350 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 65 W, 5350 lm, 730, silver, DALI Pole top luminaires, D 500 H 5
1 618,02 €
This price is valid until 24.12.25
EAN: 4051859135104
MPN: 611946.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 45 W, 4050 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 45 W, 4050 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
1 437,63 €
This price is valid until 24.12.25
EAN: 4051859135043
MPN: 611944.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 45 W, 4200 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 45 W, 4200 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
1 437,63 €
This price is valid until 24.12.25
EAN: 4051859135081
MPN: 611945.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
GONIA, 65 W, 6200 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
Order only
RZB
GONIA, 65 W, 6200 lm, 740, silver, DALI Pole top luminaires, D 500 H 5
1 618,02 €
This price is valid until 24.12.25
EAN: 4051859135128
MPN: 611946.004.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 920 lm, 840, anthracite, smart+free Bollards, D 11
Order only
RZB
MEGA TOWER R, 10 W, 920 lm, 840, anthracite, smart+free Bollards, D 11
714,68 €
This price is valid until 24.12.25
EAN: 4051859932659
MPN: 611995.0031.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 920 lm, 840, anthracite, DALI Bollards, D 115 H 10
Order only
RZB
MEGA TOWER R, 10 W, 920 lm, 840, anthracite, DALI Bollards, D 115 H 10
609,96 €
This price is valid until 24.12.25
EAN: 4051859932628
MPN: 611995.0031.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 640 lm, 830, silver, on/off Bollards, D 115 H 55
Order only
RZB
MEGA LATERNE R, 10 W, 640 lm, 830, silver, on/off Bollards, D 115 H 55
513,88 €
This price is valid until 24.12.25
EAN: 4051859170488
MPN: 611996.004
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, on/off Bollards, D 115
Order only
RZB
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, on/off Bollards, D 115
513,88 €
This price is valid until 24.12.25
EAN: 4051859170471
MPN: 611996.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 660 lm, 840, anthracite, on/off Bollards, D 115
Order only
RZB
MEGA LATERNE R, 10 W, 660 lm, 840, anthracite, on/off Bollards, D 115
513,88 €
This price is valid until 24.12.25
EAN: 4051859170495
MPN: 611996.0031.1
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 880 lm, 830, silver, DALI Bollards, D 115 H 1050,
Order only
RZB
MEGA TOWER R, 10 W, 880 lm, 830, silver, DALI Bollards, D 115 H 1050,
609,96 €
This price is valid until 24.12.25
EAN: 4051859932666
MPN: 611995.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER F, 18 W, 1550 lm, 830, silver, smart+free Bollards, D 156 H
Order only
RZB
MEGA TOWER F, 18 W, 1550 lm, 830, silver, smart+free Bollards, D 156 H
784,49 €
This price is valid until 24.12.25
EAN: 4051859932321
MPN: 611998.004.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER F, 18 W, 1550 lm, 830, silver, DALI Bollards, D 156 H 1200
Order only
RZB
MEGA TOWER F, 18 W, 1550 lm, 830, silver, DALI Bollards, D 156 H 1200
679,77 €
This price is valid until 24.12.25
EAN: 4051859932291
MPN: 611998.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
HB 304, 9 W, RGBW, white, IR Garden luminaires, D 500 H 500, Plastic (
Order only
RZB
HB 304, 9 W, RGBW, white, IR Garden luminaires, D 500 H 500, Plastic (
267,52 €
This price is valid until 24.12.25
EAN: 4051859165613
MPN: 612109.002
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 18 W, 1600 lm, 840, anthracite, smart+free Bollards, D 1
Order only
RZB
MEGA TOWER R, 18 W, 1600 lm, 840, anthracite, smart+free Bollards, D 1
801,94 €
This price is valid until 24.12.25
EAN: 4051859932772
MPN: 612114.0031.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 18 W, 1550 lm, 830, silver, DALI Bollards, D 156 H 1250,
Order only
RZB
MEGA TOWER R, 18 W, 1550 lm, 830, silver, DALI Bollards, D 156 H 1250,
697,23 €
This price is valid until 24.12.25
EAN: 4051859932789
MPN: 612114.004.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 18 W, 1550 lm, 830, silver, smart+free Bollards, D 156 H
Order only
RZB
MEGA TOWER R, 18 W, 1550 lm, 830, silver, smart+free Bollards, D 156 H
801,94 €
This price is valid until 24.12.25
EAN: 4051859932802
MPN: 612114.004.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 18 W, 1600 lm, 840, silver, DALI Bollards, D 156 H 1250,
Order only
RZB
MEGA TOWER R, 18 W, 1600 lm, 840, silver, DALI Bollards, D 156 H 1250,
697,23 €
This price is valid until 24.12.25
EAN: 4051859932796
MPN: 612114.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 18 W, 1550 lm, 830, anthracite, DALI Bollards, D 156 H 1
Order only
RZB
MEGA TOWER R, 18 W, 1550 lm, 830, anthracite, DALI Bollards, D 156 H 1
697,23 €
This price is valid until 24.12.25
EAN: 4051859932741
MPN: 612114.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 660 lm, 840, anthracite, smart+free Bollards, D
Order only
RZB
MEGA LATERNE R, 10 W, 660 lm, 840, anthracite, smart+free Bollards, D
705,95 €
This price is valid until 24.12.25
EAN: 4051859933250
MPN: 612117.0031.1.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, anthracite, on/off Bollards, D 115 H 1050, Opal glass
Order only
RZB
MEGA LATERNE R, anthracite, on/off Bollards, D 115 H 1050, Opal glass
407,35 €
This price is valid until 24.12.25
EAN: 4051859177074
MPN: 612116.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, smart+free Bollards, D
Order only
RZB
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, smart+free Bollards, D
705,95 €
This price is valid until 24.12.25
EAN: 4051859933243
MPN: 612117.0031.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, DALI Bollards, D 115 H
Order only
RZB
MEGA LATERNE R, 10 W, 640 lm, 830, anthracite, DALI Bollards, D 115 H
601,24 €
This price is valid until 24.12.25
EAN: 4051859933212
MPN: 612117.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER F, 10 W, 880 lm, 830, anthracite, smart+free Bollards, D 11
Order only
RZB
MEGA TOWER F, 10 W, 880 lm, 830, anthracite, smart+free Bollards, D 11
697,23 €
This price is valid until 24.12.25
EAN: 4051859931638
MPN: 612146.0031.730
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 880 lm, 830, anthracite, on/off Bollards, D 115 H
Order only
RZB
MEGA TOWER R, 10 W, 880 lm, 830, anthracite, on/off Bollards, D 115 H
544,95 €
This price is valid until 24.12.25
EAN: 4051859290315
MPN: 612147.0031
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 880 lm, 830, anthracite, DALI Bollards, D 115 H 80
Order only
RZB
MEGA TOWER R, 10 W, 880 lm, 830, anthracite, DALI Bollards, D 115 H 80
592,51 €
This price is valid until 24.12.25
EAN: 4051859932352
MPN: 612147.0031.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks
MEGA TOWER R, 10 W, 920 lm, 840, silver, DALI Bollards, D 115 H 800, T
Order only
RZB
MEGA TOWER R, 10 W, 920 lm, 840, silver, DALI Bollards, D 115 H 800, T
592,51 €
This price is valid until 24.12.25
EAN: 4051859932383
MPN: 612147.004.1.76
Package: 1
Estimate delivery time at our warehouse (approx.): 4-6 weeks