26"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 9.75"H] 18" Round Duct Pipe Suitable for medium-pressure applications 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
Suitable for medium-pressure applications
3 * Insulation density is 30kgs/CBM = 0
+ Product Details Size - 4"w X 24"h is the size for the duct opening measurement only
+ Product Details Size - 30"w X 2"h is the size for the duct opening measurement only
this easy-to-install grille fits seamlessly into any standard return filter opening
26"W X 8"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 27.75"W X 9.75"H] 18" Round Duct Pipe Suitable for medium pressure applications 4 X 12 Is CRFG2028 Width_14in Suitable for medium pressure applications 3 * Insulation density is 30kgs CBM = 0