3 to 3 Inch Duct Reducer Increaser Connector, Duct Adapter for Air Ventilation System, Rubber Coupling Soft Joint Fits Inlet/Outlet Diameter of 3 Inch

Product Description MIDCVFRUN 3" x 3" DUCT REDUCER & INCREASER DUCTING CONNECTOR HVAC ducting connector for tough PVC pipes or metal cast iron/steel/copper/lead ducts and air vents, to connecting two same, solid ducts or ducts to ventilators, from small to large, large to small, you don’t need to worry the ducting size problem now. How to use this ducting reducer & increaser Step1: use a screwdriver to loosen the screws of the duct clamps.(screwdriver not included) Step2: connect the coupling with the pipe tightly. Step3: tighten the screws to fitting the appropriate size. Extra Fittings and stenghth HVAC Duct Connector 3 in to 3 in for Airflow, Heating, Cooling & Air Ventilation System Extra Strength and Fittings.

• SOFT DUCT REDUCER & INCREASER CONNECTOR - Made of soft rubber material, used to connect two tough air ducts of same 3" diameters to create a seamless air ventilation system duct.
• EXTRA FITTINGS & MULTIPLE USE - Easily fit with all kind of rigid duct ports and compatible with various pipe materials include ABS, Plastic, Rigid PVC, Galvanized and Cast Iron. Also allowing you to lengthen and extend your ducting casually.
• PRACTICAL - High Quality material perfectly used with rigid sheet metal duct, widely used in securing ducting of extractor fans, hydroponics, in-line exhaust fan and other outdoor greenhouse ventilation, and vent piping system application.
• EASY TO INSTALL - Connect 2 same size air ducts of 3" with adjustable worm drive locks, 304 stainless steel cleeps, you can finish the install easily.
• 100% SERCURITY DESIGN - Leakproof, rotproof and sealed design, 100% safely to use.