Nispira AER1 Filter Replacement for Holmes Air Purifier HAPF30AT HAP242-NUC Total Air 4 HEPA 4 Carbon Booster, Remove Odor Smoke VOCs 1.2 x 10 x 4.6 Inches

QUALITY AIR FILTERS: 4 Premium HEPA filter + 4 sheet of carbon pre filters compatible with Holmes aer1 total air filter HAPF30AT-U4R. Compatible with AER1 air purifiers | HEPA captures up to 99.97 percent of airborne particles as small as 0.3 microns. | Carbon booster filters also help deodorize any unfavorable household smell | Compatible with Holmes Units: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424 | Compatible with Bionaire Units: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520.