Fantech Air Exchanger MERV-3 Aluminum Filter Kit 422580 (2-PACK) 

• Manufacturer:  Systemair Inc.
• Brand Name:   fantech 
• Description:    Genuine fantech Merv-3 aluminum mesh filters (2-Pack) 
• Part Number:  422580
  
• Filter Nominal Size:  7‐7/10" x 11" x 1/8" (supply) and 7" x 11‐1/4" x  1/8" (exhaust)