RZ AIRFlow | Air Purifying Filter for PTAC Heating & Cooling Units | True HEPA 99.97% RZM3 replacement filter The RZ M2 is a

The RZ M2 is a reusable filtration mask — not a NIOSH-certified respirator

Ear Loops — Lightweight option for casual wear and travel to the stand

helps reduce safety glasses fogging

If your environment does not require certified respiratory protection

RZ AIRFlow | Air Purifying Filter for PTAC Heating & Cooling Units | True HEPA 99.97% RZM3 replacement filter The RZ M2 is aClean Air 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 and delivers True HEPA