Drip channel drains water to the front of the siding to eliminate wood rot Wide trim ring, removable template, large flange, and level lines Injection-molded polypropylene modified for impact and UV resistant Molded in screen prevents insects and beesfrom nesting in gable vent Molded in screen cannot become unglued Deep wood grain finish enhances appearance for a real wood look Weeping holes prevent condensation or moisture from remaining trapped Suitable for use with vinyl or aluminum siding, shake, stucco or brick 111 sq ins of net free area. Size In=22 x 34 Color=White