General description Adapter conversion kit for connecting 40mm hoses to 1 1/2 inch filter inlets and outlets. This kit is perfect for attaching skimmers to hoses and is essential for joining pool components. The 40mm ends connect to the hoses, while the 1 1/2 inch end connects to various parts, making it easy to hook hoses to standard pumps and filters. Technical specifications Color: Gray and Black Material: Plastic Package Contents: 4 x Pool Hose Adapters, 2 x Tape (random colors), 4 x O-rings Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with most soft side pool filtration systems and pool pumps Suitable for hard pipes Can connect above ground pool hose with a 1 1/2 inch NPT female PVC adapter/connector