1/4" - 5/8" Black Insulated Copper Coil Line Set 16' Long - Flare Nut KIT- Seamless Pipe Tube for HVAC, Refrigerant - 3/8" Insulation Compatible with Duct 6" Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings

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+ Product Details Size & Compatibilty - The 12" to 6" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 6"

14" Diameter Is The Size For The Duct Opening Measurement Only

1/4" - 5/8" Black Insulated Copper Coil Line Set 16' Long - Flare Nut KIT- Seamless Pipe Tube for HVAC, Refrigerant - 3/8" Insulation Compatible with Duct 6" Ideal for Walls & Ceilings:+ Product Details Pipe tubing coil is made out of 99. 9% pure copper and meets ASTM B280 and C12200 standard Insulation is made of 1 2" Polypropylene and is UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from 40 to 120 R value rating of insulation R3. 3 Insulation density is 30kgs cbm = 0. 035 w mk Pre flared ends with nuts are for simple and easy installation. Copper coil line set fits most ductless mini split air