MIRA Safety Police Gas Mask Filter Grey None. Featuring the same basic characteristics as other MIRA Safety filters these hydrophobic P3 police gas mask filters have almost 3 times as much activated carbon as competing filters providing up to 12 hours of rock-solid reliable protection even in wet conditions.The filters are produced with standard round threads according to STANAG 4155 (EN 148-1)- Rd 40 x 1/7". In addition to a shelf life of almost double than competing filters they also meet EN 14387:2004 + A1:2008 standards for the removal of CS/CN gas in vapor form. Individual canisters are vacuum-sealed dated and black in color for easy identification in inventory. Specifications for MIRA Safety P-CAN Police Gas Mask Filter: Manufacturer: MIRA Safety Color: Grey Features of MIRA Safety P-CAN Police Gas Mask Filter Specifically designed for law enforcement professionals for use with riot control agents/tear gases including CS CN and OC pepper spray Hydrophobic coating on the embedded P3 filter ensures reliable function in rain snow or practically any conditions Longer-lasting protection with almost 3X the activated carbon of competitors (250 cm3 vs. 90 cm3) Delivers over 12 hours of reliable protection from riot control agentsgiving officers the confidence they need to keep the peace Compatible with standard 40 mm NATO-threaded respirators which are widely available 10-year shelf lifelong-term savings and practical logistics with police gas mask filters that will remain usable for half an officers career Weighs in at just 290 grams (10.2 oz) with a diameter of just 111 mm (4.3 inches) Based on MIRA Safety filter design used by military personnel CBRN specialists and special operations forces all over the world Package Contents: MIRA Safety P-CAN Police Gas Mask Filter MIRA Safety PCAN: P-CAN Police Gas Mask Filter Grey None