Fast and Easy Upgrade for Improved Filter Performance.
This kit (1213) includes: one new, high-performance 213 air filter and the easy-install system frame: two rails, four uprights, and a door seal. It takes just 30 seconds to snap together.
No more pleat spacers! This upgrade kit is easy to use and provides better filter performance with MERV 13 filtration. Upgrade kit compatible with AprilAire 213 Air Filter only.