Arch Adjustable Air Vents, ABS Round Soffit Air Vents Exhaust Wall Ceiling Vent Wall Ceilling Cover for Indoor/Outdoor Use (4'')

4 Inch Adjustable Air Vents, ABS Soffit Vent Round Soffit Air Vents Exhaust Wall Ceiling Vent Wall Ceiling Cover for Indoor Use

AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Round Saddle Take Off for 6'' Inch Duct - 4'' Outlet Branch Extension - 90 Degree Splitter - Vent Duct Transition - Round Take-Off with Rubber Gasket for Better Fit - HVAC Takeoff Ducting