North Defender Prefilter Adapter 75FFP100. North Defender adapter is NIOSH approved when used with full face piece mask and half mask respirators. These are prefilter are easy to use with no tools required. 2 per box. 

North Defender Filters Holder holds a wide variety of multipurpose cartridges and works well with Defender's facemask. North Defender cartridge holders provide a secure place for low Profile P100 Filter/Cartridge Pancake Filter can be used by itself as a...

Replacement smoke test tubes for Allegro smoke test kits provide an accurate to validate respirators efficiently and economically. It is important to maintain respirators seal integrity to avoid possible gases from seeping into your lungs and eyes...