Quick view Falcon Stainless Supply Falcon Stainless Supply 7/8 in. Copper Sleeve (Sweat) x 3/4 in. FIP x 24 in. Stainless Steel Corrugated Connector This micro-vented wall covering is permeable, which allows water vapor to escape. Its permeability a MSRP: Was: Now: $0.00 Call for Pricing