Master Flow 8 in. H x 16 in. W Mill Aluminum Foundation Vent

The GAF Master Flow 500 grate style foundation vent allows air circulation to reduce moisture and helps prevent decay in your foundation with a net free vent area of 28 sq. in. The vent is die-cast aluminum and features positive open/close damper action and lintel for foundation block construction. The damper adjusts manually.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.