The Soffit Vents are used in locations exposed to weather thus allowing proper ventilation and less chance of rain and snow getting into the attic. Lamb & Ritchie has designed a Soffit Vent which will allow the proper amount of air to flow and work in conjunction with a Ridge Vent. Like the Vented Drip Edge, it has twenty-two 1.7" vents with alternating left and right opening every six inches. It allows 9.2 square inches of Net-Free air per linear foot. Available in White Aluminum, Brown Aluminum, Mill Finish Aluminum, and Copper. 8' lengths, 50 pieces, 400' per carton.