Aprilaire 1210 Small-Sized Whole-House Air Purifier with Air Filter

Features Protects your HVAC system and offers superior filtration performance to 1” filters 20”x25” nominal size Unpainted steel cabinet Comes with 210 Clean Air Filter, which has more than 9 times the filtration area found in 1" filters Guaranteed with our Pure Fit Promise: Self Seal™ technology, interlocking rails, and Clean Coil Commitment Easy to maintain — simply change the Air Purifier’s filter once up to every 12 months Versatile installation — compatible with systems located in basements, attics, closets, and more Compatible with the 213 Healthy Home Filter, 213CBN Odor Reduction Filter, and 216 Allergy & Asthma Filter