Usage Tips:[Pool Hose Adapter]Adapter conversion kit for connecting 40mm hoses to 1 1/2inch filter inlets/outlets. Perfect to attach Hayward skimmer to Intex hose. The 40mm ends connect to the Intex hoses. And the 1 1/2 end connects to the Hayward parts. It's a necessary adapter for joining Intex and Hayward. [Hook Intex Hose to Standard Pumps Easily]40mm to 1 1/2 inch conversion kit is perfect for converting your 40mm threaded 1.5inch pool hose to a standard 1.5inch PVC thread. Used to connect Intex brand pool to the non-Intex pump and filter effortlessly. Make your life way easier. [Compatibility] Filter hose adapters perfect fit for Intex/Coleman swimming pools and are used in most Intex soft side pool filtration systems, as well as Hayward pool pump. Also suitable for hard pipes, you can use this filter hose conversion kit to connect above ground pool hose with a 1 1/2inch NPT female PVC adapter/connector. Colour:Gray+Black Material:plastic Package Contents: 4 x Pool Hose Adapter 2 x tape(random colors, don't accept the specified color) 4 x o-rings 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.