Copper Fitting 1-1/8 to 5/8 (HVAC Dimensions) Reducer / Increaser Copper Coupling & HVAC – 1 to 1/2 (Plumbing Inner Dimensions) 99.9% Pure Copper - 10 Pack Powder-Coat } /* LIST SPACING */

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5” flexible joint is used to cover the parts of your HVAC line set that is placed at odd angles and hard-to-reach spaces

Slim Sliding Metal Damper To Control and Adjust Airflow

Experience improved airflow dynamics and reduced noise thanks to its long neck body design

Copper Fitting 1-1/8 to 5/8 (HVAC Dimensions) Reducer / Increaser Copper Coupling & HVAC – 1 to 1/2 (Plumbing Inner Dimensions) 99.9% Pure Copper - 10 Pack Powder-Coat } /* LIST SPACING */How to measure HVAC & Refrigeration tubing Refrigeration tubing is measured by it's outside diameter O. D: 1 4, 1 2, 5 8, 3 4, 7 8, 1 1 8, 1 3 8, 1 5 8, etc. Plumbing tubing is measured by it's inside diameter I. D: 1 8, 1 4, , 1 4, 1, 1 1 4, 1 1 2, 1 3 4,etc. Rule of Thumb: "HVAC" nominal tube sizing 1 8; larger than the same nominal size "plumbing" pipe. So for example, a 1 4" HVAC fitting, is the same as a 1 8" Plumbing1fitting. Or a 1 2" HVAC