Aerostar MERV 13 Collapsible Replacement Filter for Aprilaire 213 1PK AprilAirereg; is a trademark owned by Research Products Corporation. The seller of this product is not affiliated with or endorsed by Research Products Corporation.
Brand:Aerostar
Manufacturer:Aerostar
Manufacturer Part Number:COL25S.042026-1
Model:20x26x4-13-1