GET STARTED — Find your filter size

Finding the correct vent size for your home is easy, just locate the size printed on your existing return air filter to get started.

Small Vents
12×12
12×24
14×14
14×20
14×25

Medium Vents
14×30
16×20
16×25
20×20
20×25
20×30
24×24

Large Vents
16×36
20×36
25×25
24×30
20×40

Extra Large Vents
24×36
30×30