Aprilaire 1213 Upgrade Kit for Model 2200 Air Cleaners 18x25x1 Actual Size 16 3/8" x

Actual Size 16 3/8" x 25 1/2" x 4 3/8"

Replacement Filter for PCO3-16-16 PureAir Air Purification Systems

Generalaire 81-53 / 81-21 Float Valve Assembly

Aerostar or FurnaceFilters

Pad fits on Honeywell Bypass Flow-Through Humidifiers

Aprilaire 1213 Upgrade Kit for Model 2200 Air Cleaners 18x25x1 Actual Size 16 3/8" xGenuine Aprilaire 1213 Upgrade Kit High Performance Upgrade for Aprilaire Models 2200, 2250 and 2120 This Kit Will Not Fit Aprilaire & Spacegard Models More Than 25 Years Old. This upgrade improves the efficiency of Air Cleaners. The upgrade kit comes with one MERV 13 rated filter (Part No. # 213) which is considered to be a 65% improvement. MERV 11 rated filter (Model No. 210) is also compatible but not included in 1213 Upgrade Kit Includes: MERV 13