Specification Brand : XHTLLO BulletPoint1 : PLASTIC MATERIAL: Crafted from premium plastic material, this pool cleaner backup valve is wearproof, ensuring long-lasting performance and reliability even under challenging pool conditions. BulletPoint2 : LEAKPROOF DESIGN: Featuring a side hole sealing design, this reverse valve prevents leakage, effectively increasing the pressure of your pool cleaner and enhancing its cleansing performance for a sparkling cleaned pool every time. BulletPoint3 : OPTIMAL SIZE AND CALIBER: With size of 21x9.5cm and an outside diameter of 18mm, this pool reverse valve boasts exquisite workmanship, effectively improving the efficiency of your vacuum cleaner for efficient pool cleansing. BulletPoint4 : EASY INSTALLATION: A necessary replacement part for your pool vacuum machine, this backup valve is easy to install, providing a hassle-freely solution for replacing old or damaged parts and ensuring your pool cleaner operates at its best. BulletPoint5 : APPLICABLE MODEL: This backup valve replacement part is specifically designed for Polaris 180, 280, 380, 480, and 3900 swimming pool vacuum cleaners, ensuring compatibility and seamless integration with your existing equipment. Color : defult ItemName : XHTLLO Pool Cleaner Backup Valve Replacement Plastic Accessory for Polaris 180 280 380 480 3900, Leakproof Design ItemPackageDimensions_Height : 1.5 inches ItemPackageDimensions_Length : 7.5 inches ItemPackageDimensions_Width : 5.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-automatic-cleaner-replacement-parts ItemTypeName : Pool Hose Weight Manufacturer : XHTLLO ModelName : EN651 ModelNumber : EN651 PartNumber : XHTLLO1vxwduhe2y ProductDescription : Specification: Item Type: Backup Valve Product Material: Plastic Weight: Approx. 274g / 9.7oz Product Size: Approx. 21x9.5cm / 8.3x3.7in Outside Diameter: Approx. 18mm / 0.7in Purpose: Pool Cleansing Application: for Polaris 180 280 380 480 3900