AEROSTAR / DAFCO 

For your Basic Air Filtration needs

 12 x 20 x 2  Box of 12

Actual Size:  11 1/2 x 19 1/2 x 1 3/4  inches ( 292.1 x 495.3 x 44.45 MM)

Pleated Air Filters available with a better air filtration  MERV 8 filtration rating, for better air quality