American Metal Products

10 X 10" Sidewall / Return Air Grille

10" Diffuser Collar

10" Universal Snap-On Collar

10"x25' R-6 Metalized Flex Duct

20x12" Return Air Grille

23-3/4x23-3/4" Universal High Volume 4-Cone Diffuser

24 X 24" White Perf. Diffuser Grille

24" Square Universal Perforated Diffuser

30x6" Return Air Grille

30x6" White Return Air Grille

6 X 6" Sidewall / Return Air Grille

1 review

6" Diffuser Collar