High Durability: High flow manual air release valve with pressure gauge replacement is made of premium plastic materials, sturdy and wear resistant for long term use. Easy Installation: Manual air relief valve is simple to install, this pool accessory can easily replace old or damaged parts, meeting all your swimming pool needs. High Reliability: With high reliability and exquisite craftsmanship, the high flow manual air relief valve ensures consistent performance as a practical swimming pool accessory. Versatile Use: Widely applicable for swimming pools, spa centers, and similar applications, the manual air relief valve offers reliable functionality in various settings. 24mm Male Thread: Manual air relief valve features a 24mm male thread, ensuring secure fitment and optimal performance for compatible pool systems. Specifications Item Type: Manual Air Relief Valve Material: Plastic Compatibility: Designed for Pentair 98209800 flow valve model 273564 Thread: 24mm (0.9in) Male Thread Application: Pool, Spa Gross Weight: 193g (6.8oz) Package List 1 x Pressure Gauge 1 x Air Relief Valve 1 x O Ring 1 x Metal Clamp 1 x Accessories 1 x Instruction Manual