Suggested Retail: $139.69. BACK HAS A LITTLE DIRT ON IT, OTHERWISE APPEARS NEW. SEE PHOTOS FOR DETAILS. Membrane Solutions MSA3 Air Purifier for Large Room Up to 1590 sq ft H13 True HEPA Filter Air Purifier for Bedroom 22db 100% Ozone Free Air Cleaner for Smoke Pet Odor Remove 99.97% Allergens Dust Pollen. The Membrane Solutions MSA3 Air Purifier is designed for large rooms, with a maximum coverage of up to 1590 sq ft. It uses an H13 True HEPA PP electrostatic electret melt-blown filter to filter out 99.97% of particles as small as 0.01 microns and air pollution PM 2.5 particulate matter. It operates quietly at a low noise level of 22dB when in sleep mode, ensuring clean air without noise pollution. The air purifier is 100% Ozone Free and certified to ETL, FCC, CE and RoHS. Brand: Membrane Solutions. Model: MSA3. Num: ec6k3xNV5SdGX8ZC1dAvmV. Lot Sticker: OH001.04-00000002-07. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.