# Master Flow 12 in. x 4 in. to 6 in. End Register Box

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** ERB12X4X6
**Price:** $18.68 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-12-in-x-4-in-to-6-in-end-register-box-100121346

## Specifications

| Spec | Value |
|---|---|
| Model # | ERB12X4X6 |
| Pack Size | 1 |
| Internet # | 100121346 |
| Returnable | 90-Day |
| Store SKU # | 688655 |
| HVAC application | All HVAC types |
| Product Depth (in.) | 9 in |
| Product Width (in.) | 6 in |
| Product Height (in.) | 16 in |
| Product Weight (lb.) | 1.04 lb |
| Manufacturer Warranty | Free from Manufacturer Defect at Time of Delivery. |
| Brand/Model Compatibility | Universal |

## Description

The Master Flow 12 in. x 4 in. x 6 in. End Register Vent Boot has a maximum temperature rating of 360° Fahrenheit. It is made of 30-Gauge, galvanized steel to provide strength and durability. This HVAC part can be installed with sheet-metal screws. After installation, the seams should be sealed with code-approved mastic, sealant or duct tape.

• Creates a center-end transition to register grille
• Durable galvanized steel construction
• Connect to round pipe or insulated flex duct