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 and four white pre-filters

and four white pre-filters

Dimension: 7

Suggest to replace every six months to keep the air fresh in your refrigerator

Designed as both a functional brewer and a decorative centerpiece

Drop-in Replacement Filter Design Cylindrical Replacement Filter Application Indoor Air Purifier Maintenance Recommended Replacement Every 3–6 Months Depending on Usage Manufacturer Nispira Easy Installation

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 and four white pre-filtersQUALITY 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