1、Dual air-relief valves release the pressure of filter pump to prevent it stuck in the Vinyl pool, safe and smooth to clean. 2、Weighted head is heavy enough to stay on bottom and sides, easily cleaning up already loose debris on the bottom of the pool. 3、Pool vacuum head is flexible enough to get in corners and narrow steps, easy to maneuver. 4、Spring-loaded quick-release clip enables fast and convenient installation and detachment of extension pole. 5、Able to connect to standard 1.25 inches or 1.5 inches hoses, telescopic pole, skimmer or vacuum outlet. 6、Measures 13.5 inches wide, the longer pool head makes pool cleaning more efficient and effortless. 7、Can be used for cleaning inground pool, above ground pool, spa, vinyl pool, aquarium, water park, and more. 8、Made from high-quality ABS, sturdy and High quality for long-lasting use. The 13.5-inch pool vacuum head features dual valve(for auto pressure release to clean the Vinly pool safely), weighted and flexible head, easy-release clip, and 1.25-inch or 1.5-inch hose connection. Helpful cleaning tool for inground pool, spa, above ground pool, and more. Features: Dual air-relief valves release the pressure of filter pump to prevent it stuck in the Vinyl pool, safe and smooth to clean. Weighted head is heavy enough to stay on bottom and sides, easily cleaning up already loose debris on the bottom of the pool. Pool vacuum head is flexible enough to get in corners and narrow steps, easy to maneuver. Spring-loaded quick-release clip enables fast and convienient installation and detachment of extension pole. Able to connect to standard 1.25 inches or 1.5 inches hoses, telescopic pole, skimmer or vacuum outlet. Measures 13.5 inches wide, the longer pool head makes pool cleaning more efficient and effortless. Can be used for cleaning inground pool, above ground pool, spa, vinyl pool, aquarium, water park, and more. Made from high-quality ABS, sturdy and High quality for long-lasting use. Note: *Product size may differ by 1mm to 3mm due to manual measurement. Specifications: Material: ABS Color: Blue Item Size: 35*20*7cm / 13.77*7.87*2.75in Item Weight: 650g / 22.92oz Package Size: 36*21*8cm / 14.17*8.26*3.14in Package Weight: 660g / 23.28oz Packing List: 1 * Vacuum Head 1 * Vacuum Head