P-CAN Police Gas Mask Filter

P-CAN Police Gas Mask Filter Longer-lasting protection with almost 3X the activated carbon of competitors Longer-lasting protection with almost 3X the activated carbon of competitors (250 cm3 vs. 90 cm3) Specifically designed for law enforcement professionals for use with riot control agents/tear gases including CS, CN, and OC pepper spray 40mm 1/7” NATO threading that's compatible with a wide variety of respirators Compatible with standard 40 mm NATO-threaded respirators, which are widely available