Easy to Install & Compact Design : The streamlined construction of these vent valves allows for quick assembly without sacrificing stability or performance. Practical Use & Compatibility : Ideal for maintaining optimal pool conditions, these valves work seamlessly with HAYWARD DE and cartridge filter systems. Good Sealing & Air Relief : The inclusion of a sealing ring guarantees a tight seal, preventing leaks and ensuring air can escape effectively during filtration. Directional Vent Valves : These specialized valves direct air flow to enhance filtration efficiency and prolong the life of your pool's filter. High Quality Plastic : Crafted from premium materials, these valves offer durability and resistance against the harsh chemicals often found in pool environments. Revolutionize your pool care routine with our Vent Valves designed for practical use and ease of installation. These valves are your solution for a perfectly balanced filtration system, thanks to their compact design and compatibility with leading HAYWARD filters. Embrace the peace of mind that comes with knowing your pool is protected by reliable sealing and top-tier materials, ensuring crystal-clear water day after day.