Breathe Naturally Replacement for Honeywell Enviracaire Carbon Pre-filter 33002 8"x48" 2-Pack Aftermarket Replacement for Honeywell/Enviracaire Charcoal Prefltrs #33002 (2 per pack) Fits 10000 (EV-1), 12500 (EV-25), 11502, 12520, 13500 (EV-35), 13501 (EV-35A), 13530, 13531, 17400 Honeywell 43300, 62500 2 Pack Carbon replacement HEPA Pre-Filters with Velcro Tabs Made in the USA Breathe Naturally Replacement Filters