Venus V-414 SLOV-V NIOSH Approved Universal Series Anti Pollution Mask with Valve and Adjustable Nose Clip | Pack of 2 Mask Reusable, Washable  (Green, L, Pack of 2)

V-414 Slov-V Respirator Comes With Venus's Patented Stay Cool Butterfly Vent Valve Which Reduces The Temperature Inside The Respirator By 10 F. V-414 Slov-V Has En 149:2001+A1:2009 Approval. Unique Fit Adjuster For Optimum Protection And Comfort. Superior Micro Fine Filter Technology Which Protects Against Rspm Up to 0. 3micron. Skin Friendly Fabric For Soft Feel. V-414 Slov-V Having Passed Anti Clogging (Nr D) Dolomite Test, They Resist Clogging Even In Very High Dust Environments. Elastic Fitted Outside Filter Media Is Leak proof And Avoids Puncture In Filter Media.