36"W X 24H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 37.875"W X 25.875"H] Curved Blade Steel Actual Filter Size – 21 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
Actual Filter Size – 21 3/4"w x 15 3/4" x 1"
+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only
ensuring optimal circulation throughout your space
much more than required 700 PSI for R410
and crawlspace purposes
36"W X 24H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 37.875"W X 25.875"H] Curved Blade Steel Actual Filter Size – 21 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 21 3 4"w x 15 3 4" x 1" + Product Details Size 18"w X 24"h is the size for the duct opening measurement only