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 with a 3 in or 4 in snap pipe (aluminum or galvanized) , it may be necessary to unsnap the receiving end of the pipe, then insert the increaser and snap the pipe back together.. Color: Black. Insulated: No. Material: Plastic. Maximum air flow (CFM): 0. Pack Size: 10. Product Depth (in.): 3 in. Product Diameter (in.): 4.0 in. Product Height (in.): 4 in. Product Length (in.): 3 in. Product Width (in.): 7 in. Maximum air flow (CFM): 0. Insulated: No. Product Diameter (in.): 4.0 in.

*This item may be a factory return, open box, or last year model. It may show cosmetic imperfections such as scratches, scuffs, dents, or signs of handling. Items may also be missing parts, hardware, shelves, trim pieces, manuals, or accessories normally included with brand-new units. Because these are factory returns/open-box items: Not all imperfections or missing components may be listed or photographed. Items may require minor repair, adjustment, or additional parts. Units may come in non-original or damaged packaging. 
All items are sold AS-IS with NO returns, NO refunds, and NO exchanges, regardless of condition, missing parts, or shipping related cosmetic issues. Manufacturer warranties are not guaranteed. By purchasing, the buyer acknowledges and accepts all conditions above.