3M D8006 Multi Gas/Vapor Cartridge Dual Flow Protective Safety Clothing The TR-642-3 is for charging

The TR-642-3 is for charging the TR-630 Standard Battery

dirt-resistant surface for hygiene - Comfortable for a wide range of earcanal sizes - Noise Reduction Rating (NRR)*: 29 dB

Helps protect TR-600 from internal contamination during storage

liquid & particulate biological hazards

P100 NIOSH Approved

3M D8006 Multi Gas/Vapor Cartridge Dual Flow Protective Safety Clothing The TR-642-3 is for chargingSecure Click connection style enables a quick, simple connection of cartridges Secure Click cartridges are dual flow to allow easier breathing and greater comfort Use with NIOSH approved 3M Secure Click Facepieces NIOSH approved for protection against certain organic vapors, sulfur dioxide, hydrogen chloride, chlorine ammonia methylamine formaldehyde or chlorine dioxide or hydrogen fluoride or hydrogen sulfide Swept back design for enhanced field of