20" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Actual Filter Size – 13 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
Actual Filter Size – 13 3/4"w x 19 3/4" x 1"
For 12" Round Duct Opening - Spiral or Flex
+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 24" OR 24" x 22" duct opening (measured at the opening)
+ Product Details Size – 30"w X 22"h is the size for the duct opening measurement only
this 4-way air vent diffuser allows you to precisely control airflow
20" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Actual Filter Size – 13 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 13 3 4"w x 19 3 4" x 1" For 12" Round Duct Opening Spiral or Flex