Product Information:The Hayward PowerVac cleaning heads are molded of tough, durable Dural and are engineered to handle all types and sizes of swimming pools. The 360deg; swivel hose connector allows you to easily maneuver the vacuum head inside of the pool, while the "seethru" head lets you view the bottom while you are cleaning. These cleaner heads are definitely the industry standard. Features:#149; APPLICATIONS: Vinyl/Fiberglass In ground/Above ground Pools#149; INCLUDES 11/2" Hose Connection and 1Piece Wraparound Brush#149; QuickSnap Handle Connector#149; Smooth, contoured Shape for efficient Vortex Corner and Step Cleaning#149; Molded luxurious, "Seethru" Circular Vacuum Head design for fast and easy cleaning#149; Adjust Weight by adding or removing internal weights to suit your preference (Range 40 #149; 88 oz.)#149; 360deg; Swivel Hose Connector for Easy Maneuverability and No Hose Tangling#149; Easily Cleanable, longwearing Brush Specifications:#149; Pool Type: Vinyl/Fiberglass#149; Material: Plastic#149; Hose Connection: 11/2"#149; Vacuum Head: 12"