4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Polished Brass 6" Round Duct Pipe + Product Details Size -

+ Product Details Size - 10"w X 36"h X 2"d (for duct opening measurement only)

+ Product Details Size - 32"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details Size - 22"w X 12"h X 2"d (for duct opening measurement only)

Whilst the maximum pressure for R410 is 700 PSI

4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Polished Brass 6" Round Duct Pipe + Product Details Size -+ Product Details Size 4"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" X 13. 5" wider. Installation Location Floor. Design Premium plated finish and modern contempo design forming a luxurious and impressive piece for your home. Quality Packaging Carefully shrink wrapped with cardboard backing to prevent damage in shipment. + Product Description Introducing the Louver Floor