Comfort-Air Organic Vapor Filter & P100 Cartridge, 2 Pairs/Box, are APF 10 with a half mask, APF 50 with a full face. OSHA silica dust compliant and Combination Organic Vapor & P100 Cartridge. Unique "Saf-Twist" design quickly attaches to any Dentec Safety half-mask or full-face air-purifying respirator Facepiece. The offset connector improves visibility. 

Unique space plenums allow user to access the entire filter material reducing breathing resistance, providing longer cartridge life, reducing costs and improving productivity. Offset connector allows the user to rotate the cartridge into 3 different positions improving visibility. "Saf-Twist" design quickly attaches the cartridge to any Dentec Safety half-mask or full-face air-purifying respirator Facepiece. The offset connector improves visibility when wearing a combination style cartridge.