Durable and practical construction Made of durable material, this sand filter adaptor kit is designed to be practical and longlasting. It delivers reliable performance and is compatible with equipment. Connector compatibility The kit allows you to connect a 40 mm hose to a 11/2 inch standard port, enabling you to connect multiple sand filters for enhanced filtration capability. Suitable for filter ports on SolarPRO products. Complete package The kit includes 1 long filter adaptor, 1 flat gasket, 1 short filter adaptor, and 1 25' Oring. These components provide you with all the parts for easy installation and use. Use scenarios and applications Build a multifilter setup to increase filtration capacity for larger pools or spa systems. or upgrade filter port adapters on SolarPRO filter ports for improved compatibility. Extend or modify hose connections in an existing sand filter system by bridging 40 mm hose to 11/2 inch ports.