Complete Washer Kit: This 18-piece set includes 6 units o-rings (10262), 6 units step washers (10745), and 6 units flat washers (10255). to verify the model and dimensions before purchase to avoid mismatches. Enhanced Seal Performance: Improving the contact area between hoses or pool equipment and plunger valve surfaces, these washers effectively prevent wear and tear. They resolve leaks where the hose connects with the plunger valve, ensuring a water-tight seal. Critical for Maintenance: Overtime, washers in pool equipment compress and degrade, necessitating regular replacement to maintain functionality. This kit serves as an indispensable resource for timely maintenance of your pool components. Material Quality: Crafted from premium silicone, these washers are designed to withstand the harsh conditions of pool and spa environments. Manufactured to precise specifications, they fit perfectly with 1 1/2 inch fittings, prolonging the lifespan of your equipment. Broad Compatibility: Compatible with several pool parts, including 10747, 25006, 25010, 28633, 28635, and 28621. Particularly essential for replacing strainer components in pools 18 inches and larger that require a 1.5-inch internal diameter hose. The actual product may have slight color difference or difference, which will not affect the use Colour:Black Material:rubber Package Contents: 18 x 25076RP O Ring Rubber Washer 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.