3/4" Insulated Copper Coil Line - 1/2" Black Insulation - 35' Long Aluminum - Cube Core 4" X 12" Brass Victorian

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

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+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

our carefully crafted products offer superior performance

+ Product Details Size – 6" x 12" or 12" x 6" is the size for the duct opening measurement only

3/4" Insulated Copper Coil Line - 1/2" Black Insulation - 35' Long Aluminum - Cube Core 4" X 12" Brass VictorianR value rating of insulation r3. 3 Insulation density is 30kgs cbm = 0. 035 w mk Works for every air conditioning & refrigeration application including ductless mini split, heat pump and centralized air ducted units. Pressure rating: 2300 to 6500 psi, much more than the required 700 psi for r410 Our coils have a very high PSI burst pressure. Whilst the maximum pressure for R410 is 700 PSI, our coils offer from 2300 to 6500 PSI See chart below: 1 4"