1/4" Insulated Copper Coil Line - 1/2" Black Insulation - 25' Long Adjustable Return Discover this game-changer at HVACPremium

Discover this game-changer at HVACPremium

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+ Product Details Size - 20"w X 10"h is the size for the duct opening measurement only

Looks like it was just waxed

1/4" Insulated Copper Coil Line - 1/2" Black Insulation - 25' Long Adjustable Return Discover this game-changer at HVACPremiumR 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"