3/8" Insulated Copper Coil Line - 1/2" Black Insulation - 50' Long Black + Product Description This aluminum

+ Product Description This aluminum flex duct is intended to be used in heating

Its elegant look and fine finish and the natural warmth of oak wood

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

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Crafted from high-quality red oak wood

3/8" Insulated Copper Coil Line - 1/2" Black Insulation - 50' Long Black + Product Description This aluminumR 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"