Compatibility Guaranteed: Specifically designed for 2Inch Check Valve 263042, this kit ensures a and optimal performance. It is not compatible with for FullFLOXF Check Valves 263060 and 263077, ensuring you get the right parts for your specific valve model. Transparent Cover for Easy Monitoring: The transparent cover of this rebuild kit allows for effortless observation of water flow, enabling quick checks without dismantling the system. This feature is crucial for maintaining the efficiency and of your hydraulic system. Enhanced Durability with Materials: The kit includes an improved flapper and rubber seal, both crafted from materials that resist . This enhancement significantly extends the life of the check valve against harsh pool chemicals and environmental conditions. Upgraded Spring and Pin for Reliable Performance: Featuring an enhanced stainless steel spring and pin, this rebuild kit provides stronger spring tension. This upgrade ensures a tighter seal, preventing water backflow and maintaining the integrity of your filtration system. Complete Assembly for Easy Installation: This rebuild kit comes with all necessary components including a flapper, spring, pin, cover, and cover O-ring. Each part is designed for a hassle-free installation, ensuring a secure fit and restoring your check valve to optimal functionality. Note:due to different production batches, the color is a little different, which does not affect the use. Colour:As Shown Material:Plastic Package Contents: 2 * Check valve 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.