3M 501 Pre-Filter Retainer Escape Respirators High-performance arms: Balance durability and

High-performance arms: Balance durability and flexibility

Adjustable M nose clip

5” long x 4

Consistent and reliable alternative to taping

Knitted Headbands for added comfort

3M 501 Pre-Filter Retainer Escape Respirators High-performance arms: Balance durability andThe 501 filter retainer is used to hold 3M Particulate Filters 5N11 and 5P71 in place on top of 3M Respirators 5000 Series and 3M Cartridges 6000 Series and 3M Filter Adapter 603. Benefits: Approved 3M system component Designed to hold 3M Particulate Filter 5N11 and 5P71 07194 (AAD) (sold separately) Component works with 3M Respirator 5000 Series, 3M Cartridges 6000 Series and 3M Filter Adapter 603 Color: Translucent white Measures 4 high x 8. 5 long