3M™ PELTOR™ Welders Earmuff Hygiene Kit HY505 Kit - (Case of 10 Kits)Hygiene Kits for the 3M Peltor H505B Welders Earmuff. These ear muffs provide moderate level of attenuation that meets the needs of most welding industry applications. Maintain hygiene of communications headsets that see heavy use or multiple users Includes sealing rings and foam inserts for earmuffs Compatible with a variety of 3M Peltor Products Ensures good function and hygiene SOLD in Case of 10 kits Specifications Brand PELTOR CSA Class CSA Class