3/8" Insulated Copper Coil Line - 1/2" Black Insulation - 25' Long White 1/4" - 6518 PSI

1/4" - 6518 PSI

1/2" - 3119 PSI

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

3/8" Insulated Copper Coil Line - 1/2" Black Insulation - 25' Long White 1/4" - 6518 PSIR 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"