RZ M1 Neoprene Mask | 99.9% Filtration + Active Carbon Color:Black The F3 goes further with

The F3 goes further with a three-layer construction: a primary particle filter

1 micron Yes — enhanced Heavy dust

safety managers

If you manage 10 rooms or 1

RZ M1 Neoprene Mask | 99.9% Filtration + Active Carbon Color:Black The F3 goes further withThe Original RZ M1 Neoprene Mask Since 2010 The RZ M1 Neoprene Mask is where it all started. Launched in 2010 as the first RZ Mask product, the M1 Neoprene paved the way for 3+ million masks sold worldwide. Built from high quality neoprene that keeps you comfortable in cooler temperatures, the M1 features the same F1 Active Carbon Filters that deliver 99. 9% filtration down to 0. 1 microns, dual one way discharge valves, and an adjustable nose clip