supply of corridor light 4 feet 17 watts +_ 10% led version of old 110 dc 4feet tube light fitting , corridor light 4 feet 17 watts +_ 10% led version of old 110 dc 4feet tube light fitting made of min. 1mm thick m.s or g.i fabricated and powder coated sheet . as per new spec.no. clw/es/3/0672 rev .1 and drawing no.clw/es/3/sk-1/0672 for replacement of old spec.no. clw/es/3/0041 in 3 phase electric l oco .fixtures do not required any alteration in loco led shall be of any brand already approved by clw in s pec. diffuser shall be of 1.5mm thick fire retardant polycarbonate cover with m.s/g.i sheet, powder coated caps on both sides. note: 1) this item is reserved for clw approved sources only as per vendor s directory id: 2100755 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]