OPTIMAL COMPATIBILITY: Designed for a wide range of filters including 188592, 188593, 188594, 160316, 160317, 160318, 160301, 160332, 011555, 147411, 180007, 180008, 180009. Essential for replacing part #98209800, ensuring broad usability across multiple pool and spa systems. ENHANCED PERFORMANCE: This valve offers stable performance by resolving issues with pressure readings due to old or damaged gauges. Features a precise, dual-scale gauge for accurate pressure measurement, allowing easy water control by turning the valve clockwise or counterclockwise. ROBUST CONSTRUCTION: Crafted from heavy-duty materials including steel, copper, plastic, and rubber, this manual relief valve is built for durability and resistance to wear, , and deformation, ensuring a long lifespan and consistent performance. VERSATILE APPLICATION: Suitable for a variety of pool and spa filters such as for , for , for Warrior, for EasyClean, and for FNS series. This manual relief valve is a must-have for maintaining clear and clean water in your pool or spa. Colour:Black Material:plastic Package Contents: 2PACK x 98209800 Manual Relief Valve(Some accessories have random colors, and specified colors are not accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.