Colorfullife 4 True HEPA + 8 Pre Filter Compatible With Holmes AER1 Allergen Remover Filter, Replacement Parts # HAPF300AH-U4R, HAP242-NUC

DerBlue 4 pcs Allergen Remover True HEPA Filter Compatible with Holmes AER1 Filter, Replacement Parts # HAPF300AH-U4R

Wolfish 2 + 4 Pack Allergen Remover True HEPA Filter Compatible with Holmes AER1 Allergen Remover True HEPA Filter, HAPF300AH-U4R (2 + 4 Pack)

Colorfullife 3 + 9 Pack Air Filters for Holmes AER1 HEPA Type Total Air Filter Replacement Filters for HAPF30AT and HAP242-NUC, 3 HEPA + 9 Carbon Booster Filters

Holmes AER1 Odor Eliminator HEPA Type Filter, HAP30AO-U4

Holmes AER1 Smoke Grabber HEPA Type Filter, HAPF30AS-U4R

True HEPA Replacement Filter B for Holmes HAPF600, 3 Pack

Holmes HAPF300AHD True HEPA Allergen Remover Air Purifier Filter (Pack of 2)

Nispira 4 Replacement HEPA Filter + 4 Charcoal Booster Pre Filter for Holmes AER1 Total Air Filter, HAPF30AT for Purifier HAP242-NUC

Nispira 2 HEPA Filter Replacement + 4 Charcoal Booster Pre Filter for Holmes AER1 Total Air Filter, HAPF30AT for Purifier HAP242-NUC