Fits Aprilaire
This is a BRAND NEW 8 Pack (8x) of OEM Aprilaire Air Cleaner Media Filters. Aprilaire part # 213 and it works in Aprilaire Space-Gard cleaners 2120, 2200, 2210, & 4200. This is an OEM Replacement Media Filter- Not a cheap knockoff.Function:Humidifiers...