# Everbilt 3 in. to 4 in. Plastic Duct to Duct Increaser

**Brand:** [Everbilt](https://shop.coreranger.com/brands/Everbilt)
**SKU:** INC34EHD
**Price:** $3.97 · in stock
**URL:** https://shop.coreranger.com/product/everbilt-3-in-to-4-in-plastic-duct-to-duct-increaser-203626506

## Specifications

| Spec | Value |
|---|---|
| Color | Black |
| Model # | INC34EHD |
| Material | Plastic |
| Insulated | No |
| Pack Size | 10 |
| Internet # | 203626506 |
| Returnable | 90-Day |
| Store SKU # | 598335 |
| Product Depth (in.) | 3 in |
| Product Width (in.) | 7 in |
| Product Height (in.) | 4 in |
| Product Length (in.) | 3 in |
| Maximum air flow (CFM) | 0 |
| Product Diameter (in.) | 4.0 in |

## Description

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.

• Ideal for bathroom fan exhaust applications
• Used to connect a 3 in. duct to a 4 in. duct
• Designed to reduce air leaks in duct connections