# Master Flow 7 in. x 7 in. Butterfly Damper

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** BDD7
**Price:** $16.26 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-7-in-x-7-in-butterfly-damper-202191778

## Specifications

| Spec | Value |
|---|---|
| Gauge | 30 |
| Model # | BDD7 |
| Material | Galvanized Steel |
| Duct Type | 7" Round |
| Internet # | 202191778 |
| Returnable | 90-Day |
| Store SKU # | 727972 |
| Product Depth (in.) | 7 in |
| Product Width (in.) | 7 in |
| Product Length (in.) | 7 in |
| Certifications and Listings | No Certifications or Listings |

## Description

Rid your range hood or microwave of undesirable air via this Master Flow 7 in. x 7 in. Butterfly Damper that installs on a round exhaust duct with a 7 in. diameter. Rust-resistant aluminum blades ensure long-lasting protection against corrosion, and a 400-degree Fahrenheit maximum operating temperature ensures reliability in high-heat conditions.

• Durable steel body with aluminum blades resists heat up to 400F
• Split-sided gravity damper maintains the air circulation
• Fits on to 7 in. diameter ducts