1-1/8" Insulated Copper Coil Line - 1/2" Black Insulation - 35' Long Insulated Line Set With plain ends

With plain ends

Measure the size of the air duct/drywall opening

The 1/2" black insulation

Powder-Coat Finish – Never rust

1-1/8" Insulated Copper Coil Line - 1/2" Black Insulation - 35' Long Insulated Line Set With plain endsR 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"