# Master Flow Block Style 16 in. x 8 in. Aluminum Foundation Vent

**Brand:** [Master Flow](https://shop.coreranger.com/brands/Master%20Flow)
**SKU:** BVSII
**Price:** $31.41 · in stock
**URL:** https://shop.coreranger.com/product/master-flow-block-style-16-in-x-8-in-aluminum-foundation-vent-100058068

## Specifications

| Spec | Value |
|---|---|
| Shape | Rectangular |
| Model # | BVSII |
| Features | Built-in Screen |
| Material | Aluminum |
| Internet # | 100058068 |
| Power Type | Non-Powered |
| Returnable | 90-Day |
| Store SKU # | 142494 |
| Color Family | Silver |
| Color/Finish | Silver |
| Automatic/Manual | Manual |
| Product Width (in.) | 15.375 in |
| Product Height (in.) | 8 in |
| Product Weight (lb.) | 2.67 lb |
| Rough Opening Width (in.) | 16 |
| Rough Opening Height (in.) | 8 |

## Description

The GAF Master Flow BVSII block style foundation vent with moveable louvers allows air circulation to reduce moisture and helps prevent decay in your foundation with a net free vent area of 73 sq. in. The block design allows for easy installation and is constructed of galvanized steel and aluminum louvers. The louvers adjust manually.

• Foundation vent for block, brick, or frame construction
• Aluminum construction; lintel not required
• 73 sq. in. net free area per vent for high level ventilation