Cover Material: Rubber Color: Black Model: Black, Sand, Green Single / Double Filter Box (Cotton): Double cross border supply: No order number: Gas mask double fan scope: Gas mask double fan application: Gas mask double fan application range: High rubber filter effect :95 Dust rubber filter effect :95 Dustproof / Gas/ Dustproof: Dustproof breathing valve device: is protective grade: Guangdong brand: Other goods number: Gas mask double fan execution standard :99 specification :22*19 accessories/set: set replaceable consumables: Gas mask pad weight :500-1200 series: Gas mask double fan protection function: head wear: Gas mask dust mask type: head wear dust mask type:Welcome to our shop, this shop is newly opened, operating with integrity, only earning credit but not making money~ If you like our products, please give us a five-star rating