HG POWER ABS Quality Straight Pipe Flange Ventilation Ducting Connector (6inch)

6 Inch Duct Connector, HG Power 150mm Plastic Straight Pipe Flange for 6" Ducting Pipes Hoses Heating Cooling HVAC Ventilation Use, Black

AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

EesTeck 4Pcs 6" Adjustable 304 Stainless Steel Duct Clamps Hose Clamp Pipe Clamp Air Ducting Clamp worm drive hose clamps（141mm-165mm）