Round Metal Pipe Reducer & Increaser | 9" to 6" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 6" Compatible with Duct 4" prime the pump according to

prime the pump according to the manual instructions to remove any air trapped in the system

Installation – Easy installation - Small bendable ears for flexible installation - just screw the sides of the access panel frame into your duct/hole

Adjustable airflow control - by rotating the middle disk

+ Product Details Size – Stick-on collar is 12" and it is compatible with duct 12"

Round Metal Pipe Reducer & Increaser | 9" to 6" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 6" Compatible with Duct 4" prime the pump according to+ Product Details Size & Compatibilty The 9" to 6" round metal pipe reducer & increaser 30 gauge is compatible with duct 9" to 6". 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