1/4" - 1/2" White Insulated Copper Coil Line Set 16' Long - Flare Nut KIT- Seamless Pipe Tube for HVAC, Refrigerant - 3/8" Insulation Sheet Metal Fittings + Product Details Size -

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height -

Dimensions With Outer End are 13

+ Product Details Size & Compatibilty - The 6" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 6" to 3"

1/4" - 1/2" White Insulated Copper Coil Line Set 16' Long - Flare Nut KIT- Seamless Pipe Tube for HVAC, Refrigerant - 3/8" Insulation Sheet Metal Fittings + Product Details Size -+ 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