Medium-sized pool filter drain caps with an integrated sand part for easy installation and reliable replacement across multiple sand-filter systems. Key benefits - Easy installation: pre-assembled with a sand part for quick, hassle-free fit during service. - Wide compatibility: fits most standard mid-size pool sand filters and works across multiple brands. - Durable construction: made from UV-stable, chemical-resistant ABS plastic for long-lasting use. - Reliable performance: provides a secure seal and proper drainage to maintain filter efficiency. Specifications - Size: medium - Material: UV-stable ABS plastic - Features: integrated sand insert compatible with sand-filter drain assemblies Use scenarios - Scenario 1: Residential pool maintenance — replace worn drain caps during seasonal service to restore seal and drainage. - Scenario 2: Multi-unit facilities — stock as a common spare part to service several pools quickly and efficiently. - Scenario 3: System upgrades — install on older filters that require a cap with a sand insert to ensure compatibility with updated drain assemblies.