*Package: Ctn x 50 sets x 1 pack x 2pcs

*Use with SM7501/SM7502/SM6200 Half Mask or FSM9800 Full Face Mask

*To pair with N8501 Particle Filter and PP8501 Retainer Ring to engage the functionality

*Default rating:P-A-1

*Execution standard: GB 2890-2009 / EN 14387:2004+A1:2008