Featuring an anti-vortex design, this product ensures safety and optimal water circulation. Comes with a 7.375-inch diameter cover with optional 7.75 inch mounting ring, supported by a precise 6.78-inch center distance between mounting screws. In addition to its safety features, this product is fully VGB compliant and certified. It includes 2 mounting screws and is crafted from durable ABS plastic, guaranteeing long-lasting performance.