RZ AIRFlow | Air Purifying Filter for PTAC Units | True HEPA 99.97% | With Premium Travel Case dust filter 5-pack consistent seal that stays in

consistent seal that stays in place whether you're framing a wall

The premium replacement filter for the RZM3 Reusable Filtration Mask

Replace F3 active carbon filters every 30–60 days of regular use depending on dust and odor exposure

Ideal for construction crews

RZ AIRFlow | Air Purifying Filter for PTAC Units | True HEPA 99.97% | With Premium Travel Case dust filter 5-pack consistent seal that stays inClean Air Everywhere You Stay RZ AIRFlow for PTAC Heating & Cooling Units The RZ AIRFlow is an internationally patent pending air purifying system engineered specifically for PTAC (Packaged Terminal Air Conditioner) units the wall mounted heating and cooling systems found in hotels, senior living facilities, apartments, and extended stay properties. Where standard PTAC units recirculate unfiltered air, the RZ AIRFlow installs directly into the unit