72 Inch Faucet Water Supply Connector Line Braided Stainless Steel, Faucet Supply Line - 3/8 Female Compression Thread x 1/2 Female Iron Pipe ThreadThe Shark Industrial faucet connector features a 3 8 inch comp x 1 2 inch FIP nut connection. It is built to last with premium non toxic PVC core with 304 stainless steel braided outer cover for strength and protection. Unlike other grade of "stainless" steel, 304 is true stainless and rust proof. Our connector hoses are built with high quality which exceeds industry standards like UPS, NSF61, WRAS, and RoHS ONE 304 stainless steel braided premium

it refers to the size of the "tongue"  so that it will fit in a 8"x8" hole

Easy installation for home laundry room water supply lines

Comply with ASME A112

• Protective Yellow Epoxy Coating – Smooth epoxy coating helps protect the connector from corrosion

9" and two screws are included

• Durable Construction – Made with corrugated stainless steel for superior strength

actual outside dimension is 19

2) measure the duct opening or the size of the hole

The Listed size 10"x 10" is for inside duct opening measurement

actual outside dimension is 7

Designed for easy installation

If your duct opening size is 10” x 6”