RecPro RV Ducting 4-Inch Straight Register Boot | Straight Crimped Boot

RecPro RV Ducting 4 Inch 90-Degree Register Boot | Torpedo Crimped Boot

Ducting Collar, 4" Inlet Flange Take-Off Starter for Dryers and Range Hoods

RecPro RV 2-Inch Furnace Duct Adapter | Straight Pipe Flange | Galvanized

Ducting Collar, 6" Inlet Flange Take-Off Starter for Dryers and Range Hoods

Convenient Screw Mounting Metal Flange Air Vent for Air Ducting 4 10 Inch

RecPro RV 4-Inch Flexible Foil Air Duct Hose | Non-Insulated Foil Ducting | 25'

RecPro RV 4-Inch 3 Way Tee Joint | Galvanized Duct Splitter