Amazon.com: 4" Inch Metal Tee Cap - Round Vent Cover - Galvanized Steel - Indoor and Outdoor Pipe Cover - Dryer Vent Cover - Dryer Duct End Cap - 4In Metal End
Amazon.com: Vent Systems 4" Metal Tee Cap. Galvanized Steel End Cap. Dryer Vent Cover. Dryer Duct End Cap. 4In Steel End Cap. Steel Plug 4Inch. Round Metal Duct Fitting. Reusable. 100mm :
Pipe Fittings Direct. 4 inch schedule 40 SA-234 carbon steel weld on caps
Master Flow 4 in. Round Duct Cap DC4 - The Home Depot
Amazon.com: 4" Inch Metal Tee Cap - Round Vent Cover - Galvanized Steel - Indoor and Outdoor Pipe Cover - Dryer Vent Cover - Dryer Duct End Cap - 4In Metal End
Steel, 1/4 in Fitting Pipe Size, Hex Cap - 60UU70|1/4 HPC-S - Grainger
Weld on Pipe End Cap
Pipe Fittings Direct. 4 inch galvanized malleable iron threaded caps
Imperial HVAC Duct Pipe Tee Cap/Plug, Galvanized, 30 Gauge, 4 In. | Richmond Home Supply Inc
3/4" Stainless Steel Cap - Warren Pipe and Supply
The Plumber's Choice Malleable Iron Pipe Cap Threaded Fitting 150 lbs. Application Black Pipe Cap 1/8 in. (Pack of 10) 0018BMCP-10 - The Home Depot