Features: Experience unmatched durability and convenience with the quick disconnect pressure relief valves, precisely designed for pool cleaners to enhances cleaning efficiency and ensure long lasting performances. Crafted from plastic, this valves features a quick connect design, making installation and removal effortless while offering excellent resistance to corrosion and wear in various pool environments. Ideal for pool owners, maintenance professionals, and swimming clubs, this replacement kit is perfect for those seeking reliable and efficient pool cleaning solution. Whether maintaining a private home pool or servicing commercial pools at hotels and gyms, this valves ensures optimal water quality and cleanliness, enhancing the overall swimming experience. With its small and portable design, the valves is easy to store and transport, making it essential accessory for both enthusiasts and professional pool service providers. Specifications: Component: Plastic Model: 25563-029-000 D29 POL2017561 9-100-9002 9-100-3105 Applicable Model: For 180, 280, 380, 3900 Sport Size: Approx. 1.6x4.8inch(4.06x12.19cm) Package Includes: 1 Set Pressure Relief Valves note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.