Round Metal Pipe Reducer & Increaser | 4" to 3" or 3" to 4 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal w16h16 75"H – fits a 20"

75"H – fits a 20" X 18" duct opening

1 mm of PVC coating which can be installed on sidewall

this heavy-duty work belt is constructed with durable 1680D Polyester and boasts reinforced pouch bottoms

Replaceable Keys: The included keys are replaceable for your peace of mind

Round Metal Pipe Reducer & Increaser | 4" to 3" or 3" to 4 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal w16h16 75"H – fits a 20"+ Product Details Size & Compatibilty The 4" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 4" to 3". Made in the USA Premium Quality Our galvanized ducting connector is made of high quality galvanized sheet metal. Applications Reducers transition ducts from larger to smaller sizes and ensure smooth, continuous airflow. + Product Description The HVAC Premium Round Metal Pipe Reducer & Increaser is crafted from high quality