Foundation to allow air to flow across the foundation to help prevent heat & moisture build up in the crawl space, vent is screened. This product adds a great value. SKU: 40232802 MFG: 86159 Shop more products by Air Vent. SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Shipping charges calculated at checkout. $21.45 Quantity In Stock Add to cart Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Color : Mill Finish : Mill Material : Aluminum Height : 7.8" Width : 17" Depth : 1.4" Shape : Rectangle Net free area : 45 sq. in. Slides to open and close Vent type : Foundation Feature 1 : 1 grate style screened foundation vent Feature 2 : Positive open and close slide-damper action Feature 3 : 28 square in of net free area Feature 4 : Lintel for foundation block construction Feature 5 : Helps prevent structural decay FEATURES MFR: 86159 SKU: 40232802 UPC: 715751005159 Brand: Air Vent