Seamless compatibility Specifically designed for use with a range of filter models, this drain cap mount delivers a perfect fit and reliable performance in pool and spa applications. Plastic construction Made from durable plastic, it withstands daily wear and tear and provides long-lasting strength without concerns about cracking or leaking. All-in-one package Supplied complete with a drain cap and an O-ring, it offers everything needed for effective drainage while ensuring excellent sealing. Water leak prevention Engineered to minimize water loss, featuring a leak-proof design that improves the overall efficiency of your pool or spa system. Use scenarios - Routine maintenance: replace worn drain caps in pools or spas that use different filter models to maintain a secure, leak-free seal. - New installation or upgrade: install with compatible filter systems to ensure a reliable fit and sealing performance. - Seasonal maintenance or winterization: use to prevent leaks and preserve system efficiency during downtime or off-season.