7/8" Insulated Copper Coil Line - 1/2" Black Insulation - 15' Long Black The first number in a

The first number in a grille size represents the width

Looks like it was just waxed

and Centralized Air Ducted Units

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

7/8" Insulated Copper Coil Line - 1/2" Black Insulation - 15' Long Black The first number in aR 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"