supply of particulate filtering half face mask with expiratory valve confirming to is 9473:2002 or latest to protect against solid dust particlesmake & model: venus v 410 v/3m 9504 inv/joseph leslico jl-240 v/karam rfh01+/magnum dusto guard exhale. the supplier has to submit manufacturers test certificate along with material. the material should be in the original packing of the manufacturer. sample shall be approved before bulk supply. minimum shelf life of the product at the time of delivery to the consignee shall be 3/4th of total shelf lifeparticulate filtering half face mask with expiratory valve confirming to is 9473:2002 or latest to protect against solid dust particlesmake & model: venus v 410 v/3m 9504 inv/joseph leslico jl-240 v/karam rfh01+/magnum dusto guard exhale. the supplier has to submit manufacturers test certificate along with material. the material should be in the original packing of the manufacturer. sample shall be approved before bulk supply. minimum shelf life of the product at the time of delivery to the consignee shall be 3/4th of total shelf life,particulate filtering half face mask with expiratory valve confirming to is 9473:2002 or latest to protect against solid dust particlesmake & model: venus v 410 v/3m 9504 inv/joseph leslico jl-240 v/ka ram rfh01+/magnum dusto guard exhale. the supplier has to submit manufacturers test certificate along with material. the material should be in the original packing of the manufacturer. sample shall be approve d before bulk supply. minimum shelf life of the product at the time of delivery to the consignee shall be 3/4 th of total shelf life [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]