BP1000 Series Backpack Adapter For Use With 5500 7700 5400 7600 RU8500 Series Respirators no checkout Mouthbit respirators offer a quick Mouthbit respirators offer a quick and economical method to escape non IDLH emergency situations Large A solvent based primer that features very long on part life of 30 days Use to speed the cure of all Loctite® brand anaerobic products and ensure proper cure on inactive metals Ideal for cure conditions below room temperature Dries in 30 70 seconds increasing service life and minimizing weight to facepiece Converts half mask or full facepiece to a welding respirator Puts cartridges on the back