Features: Ensure your pool's filtration Systems operates flawlessly with this 273512 Air Relief Valves with Rings, a perfect replacement for Filters and models. Crafted from plastic, this air relief Valves is designed for precisions fit and compatibility, offering easy installation and maintenance for long lasting performances. Suitable for pool owners, Water facility managers, and resort operators seeking a reliable solution to maintain their swimming environments. Suitable for a wide range of pool types, including residential pools, public pools, and indoor Water centers, ensuring clean and healthy water circulation. This 273512 not only relieves pressure from your pool's Valves and filter but also contributes to the overall efficiency and safety of your swimming pool's filtration Systems. Specifications: Material: plastic Length: about 2inch Package Includes: 1xAir Relief Valves note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.