Otoolling 7 Inch to 4 Inch Duct Reducer Increaser Galvanized Steel Air Duct Adapter Round Crimped Pipe Connector Fitting Coupling for HVAC Ventilation Systems Caliper Kits & Sets and 595 sprayers (without PC

and 595 sprayers (without PC model)

ONLY for PEX B pipes

Brand: BlueDex

It can also be plugged in via Type-C port for charing

Otoolling 7 Inch to 4 Inch Duct Reducer Increaser Galvanized Steel Air Duct Adapter Round Crimped Pipe Connector Fitting Coupling for HVAC Ventilation Systems Caliper Kits & Sets and 595 sprayers (without PCBrand: Otoolling Color: Silver Features: Size Details: the 7 inch to 4 inch duct reducer measures about 5. 9 inches 150 mm in length, 0. 02 inch 0. 6 mm in thickness, ideal for connecting 7 inches and 4 inches duct systems to get a smooth transition; Please check the specification and size of the product before purchase Tapered Design: the 7 inch to 4 inch pipe reducer increaser features a precision tapered design, to reduce air flow turbulence and