RZ M2.5 Mesh Mask | 99.9% Filtration + Active Carbon | Dual-Strap Superior Fit Color:Black It is the most cost-effective

It is the most cost-effective way to add true HEPA filtration to an existing PTAC system

1 Micron — fine dust

filtered air in PTAC-equipped spaces

1 x RZM3 Reusable Filtration Mask with patented 3-strap system

and all-day dusty work

RZ M2.5 Mesh Mask | 99.9% Filtration + Active Carbon | Dual-Strap Superior Fit Color:Black It is the most cost-effectiveSuperior Fit, Superior Protection RZ M2. 5 Mesh Mask Since 2010 The RZ M2. 5 Mesh Mask is the step up from the M2 built for users who need a more secure, stable fit during active work. Where the M2 uses a single strap, the M2. 5 features dual head straps that distribute pressure evenly and keep the mask firmly in place during high movement tasks. Same proven 99. 9% filtration down to 0. 1 microns, same active carbon odor elimination, same breathable