# Master Flow 3-1/4 in. x 10 in. Rectangular Stack Duct Starting Collar

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** SCF3.25X10
**Price:** $21.98 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-3-1-4-in-x-10-in-rectangular-stack-duct-starting-collar-100139382

## Specifications

| Spec | Value |
|---|---|
| Gauge | 30 |
| Model # | SCF3.25X10 |
| Material | Galvanized Steel |
| Pack Size | 1 |
| Internet # | 100139382 |
| Returnable | 90-Day |
| Store SKU # | 897113 |
| Product Depth (in.) | 4.25 in |
| Product Width (in.) | 11 in |
| Product Height (in.) | 4 in |
| Product Weight (lb.) | 1 lb |
| Manufacturer Warranty | Free from Manufacturer Defect at Time of Delivery. |
| Brand/Model Compatibility | Universal |

## Description

This Master Flow 3-1/4 in. x 10 in. Rectangular Stack Duct Starting Collar is made of durable, galvanized steel. It is used to transition from plenums (duct board or lined) or a flat surface to 3.25 in. x 10 in. stack duct. It installs easily with sheet-metal screws.

• Used to transition from a flat surface to stack duct
• Durable galvanized steel construction
• Easy installation with sheet metal screws