Keep your aquarium filter running smoothly with this 2-pack of replacement motor gaskets. These black gaskets are compatible with Pen-n Plax Cascade 700, 1000, and 1200 series canister filters. The gaskets create a reliable seal that helps maintain optimal water flow and prevents leaks around the motor housing. Regular replacement of these gaskets helps ensure proper filter operation and extends the life of your canister filter system. These replacement parts are precision-cut to match the original specifications, making them a perfect fit for your filter maintenance needs. Installing new gaskets periodically is an essential part of routine aquarium maintenance to keep your filter working at peak performance