# Master Flow 10 in. x 3-1/4 in. to 6 in. 90-Degree Stack Boot

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** 90SB10X3.25X6
**Price:** $16.98 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-10-in-x-3-1-4-in-to-6-in-90-degree-stack-boot-100174597

## Specifications

| Spec | Value |
|---|---|
| Model # | 90SB10X3.25X6 |
| Material | Galvanized Steel |
| Pack Size | 9 |
| Internet # | 100174597 |
| Returnable | 90-Day |
| Store SKU # | 149381 |
| Product Depth (in.) | 6.5 in |
| Product Width (in.) | 10 in |
| Product Height (in.) | 8 in |
| Product Weight (lb.) | 1.22 lb |
| Manufacturer Warranty | Free from Manufacturer Defect at Time of Delivery. |

## Description

This Master Flow 10 in. x 3-1/4 in. to 6 in. Stack Boot can be used to help transition a pipe or flexible duct to a rectangular stack duct when running the stack duct inside a wall. Seal seams with code-approved mastic, sealant or duct tape (not included). Constructed of durable galvanized steel.

• 90° transiton between round pipe or flex duct and stack duct
• Durable galvanized steel construction
• Universal design offers compatibility with most duct pipe