30"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 15.75"H] Adjustable Return 2" X 10" Brass Victorian Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

2" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

but you will appreciate the benefits over the period of time

75" width X 11

'block' : 'none'

And Meets/Beats ASTM B280 Standard

30"W X 14"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 31.75"W X 15.75"H] Adjustable Return 2" X 10" Brass Victorian Compatible With Duct 7in Applications This sheet metal DDAG A 1212 2" X 10" Brass Victorian Floor Register Grille Modern Contempo Decorative Grate HVAC Vent Duct Cover Brass Plated but you will appreciate the benefits over the period of time