# Master Flow 10 in. x 3-1/4 in. to 4 in. Stack Boot

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** SB10X3.25X4
**Price:** $14.98 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-10-in-x-3-1-4-in-to-4-in-stack-boot-100129949

## Specifications

| Spec | Value |
|---|---|
| Model # | SB10X3.25X4 |
| Material | Galvanized Steel |
| Pack Size | 1 |
| Internet # | 100129949 |
| Returnable | 90-Day |
| Store SKU # | 938999 |
| Product Depth (in.) | 4 in |
| Product Width (in.) | 6 in |
| Product Height (in.) | 10 in |
| Product Weight (lb.) | 1.09 lb |
| Manufacturer Warranty | Free from Manufacturer Defect at Time of Delivery. |

## Description

This Master Flow 10 in. x 3-1/4 in. to 4 in. Stack Boot can be used to create a transition between different pipes and ducts. Ideal for in-wall duct applications. It's made of galvanized steel and can be installed with sheet-metal screws.

• Allows a smooth transition between rectangular and round ducts
• Galvanized steel design protects the stack boot from corrosion
• Ideally suited for all HVAC air venting systems