Nispira HAPF300AP AER1 Performance Plus Filter for Holmes Air Purifier HAP242-NUC HAPF300AP-U4 True HEPA Item Package Quantity:2 Suggested to clean every 2-4

Suggested to clean every 2-4 weeks and replaced every 6 months

Nispira 3-in-1 True HEPA Air Intake Filter Replacement Compatible with Silentnight Air Purifier 42269

WHAT’S INCLUDEDEach package includes 1 main replacement filter and 1 pre-filter

smoke and harmful chemical VOCs

Nispira HAPF300AP AER1 Performance Plus Filter for Holmes Air Purifier HAP242-NUC HAPF300AP-U4 True HEPA Item Package Quantity:2 Suggested to clean every 2-4Premium HEPA filters compatible with Holmes aer1 total air filter HAPF300AP U4. Compatible with AER1 ready air purifiers. HEPA FILTER: Remove up to 99. 97 percent of airborne particles as small as 0. 3 microns. 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.