supply of reusable half face mask confirming to en 140:1998 with dual cartridge containing particle filter confirming to en 143:2021 and gas filter confirming to en 14387:2021 make/model: venus v800 with v7800 abek1 p2r multi gas filter or equivalent models in honeywell or 3m or magnum or karam.reusable half face mask confirming to en 140:1998 with dual cartridge containing particle filter confirming to en 143:2021 and gas filter confirming to en 14387:2021 make/model: venus v800 with v7800 abek1 p2r multi gas filter or equivalent models in honeywell or 3m or magnum or karam.,reusable half face mask confirming to en 140:1998 with dual cartridge containing particle fil ter confirming to en 143:2021 and gas filter confirming to en 14387:2021 make/model: venus v800 with v 7800 abek1 p2r multi gas filter or equivalent models in honeywell or 3m or magnum or karam sample shal l be approved before bulk supply. copy of the valid en certificates should be submitted to prove conformity of product to the specification. on the date of supply the item shall have minimum 3/4 th of the shelf life an d supplier has to provide minimum 12 months replacement warranty for the item against manufacturing de fects. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]