Master Flow | sku: 3570321 Master Flow 4 in. to 3 in. 26-Gauge Round Reducer Log in for pricing Compare
Everbilt | sku: 3571128 Everbilt 3 in. to 4 in. Plastic Duct to Duct Increaser Log in for pricing Compare
Master Flow | sku: 3570321 Master Flow 4 in. to 3 in. 26-Gauge Round Reducer The Master Flow 4 in. x 3 in. Round Reducer is made of 26-Gauge, galvanized steel. It is used to transition from a 4 in. pipe to a 3 in. pipe in an HVAC system. It features hemmed collar edges for strength and a snug fit. This round reducer is suitable... Log in for pricing
Everbilt | sku: 3571128 Everbilt 3 in. to 4 in. Plastic Duct to Duct Increaser The Duct to Duct Increaser connects 3 in. to 4 in. ducts together. It is ideal for bathroom fan exhaust applications. Finished in black color. The increaser is designed to be a tight fit to reduce air leaks in the connections. When using the increaser... Log in for pricing