Nispira AER1 (2) HAPF300AP Performance Plus + (2) HAPF300AHD Allergan for Holmes Air Purifier HAP242-NUC HAPF30AT HAPF300AP-UR4 HAPF300AHD-UR4, 4 HEPA 4 Carbon Pre Filter. Pet Water Fountain supporting consistent performance over time

supporting consistent performance over time

Designed for reliable compatibility

pet fur etc passing through which will help to extend the filter life span

97% airborne allergens and contaminants from the air

Nispira AER1 (2) HAPF300AP Performance Plus + (2) HAPF300AHD Allergan for Holmes Air Purifier HAP242-NUC HAPF30AT HAPF300AP-UR4 HAPF300AHD-UR4, 4 HEPA 4 Carbon Pre Filter. Pet Water Fountain supporting consistent performance over timeQUALITY AIR FILTERS: 4 premium 3 in 1 HEPA Carbon filters with 4 pre filters compatible with Holmes and Bionaire air purifiers. CARBON PRE FILTER: Another layer of protection to prevent any hair, dust etc from entering the filter. It also removes any unfavorable household odor. Enhanced Air Quality: Effectively removes odors, pollen, dust, smoke, VOCs from the air for a fresher, cleaner indoor environment. Long Lasting Performance: Durable