20"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 11.75"H] Grilles R value rating of insulation 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
20"W X 10"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 21.75"W X 11.75"H] Grilles R value rating of insulation 4 X 12 Is CRFG2028 Width_14in R value rating of insulation R3 Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment