Feature●Package Dimensions: 20.3 H x 3.8 L x 14 W (centimeters)●These long-life pre-filters are at least 95% efficient against oil- and non-oil based contaminants, and are oil-proof so they have no time use limitation●Package Weight: 0.045 kilograms●Country of Origin : ChinaDescription
These pre-filters are approved by Niosh (National Institute for Occupational safety and health) under the Niosh 42 CFR 84 respirator certification Regulations, to the P95 Category