Durable construction: The sand filter adaptor kit is made of a durable material, designed to withstand regular use and provide long lasting performance. Precise compatibility: Carefully engineered to match your equipment, it seamlessly connects to a 40 mm hose and offers a reliable connection point. Expanded filtration capability: Enables connecting multiple sand filters to increase your pool filtration capacity. It is compatible with standard filter ports and designed for select models. Key attributes: 40 mm hose connection; compatible with filter ports; suitable for select models; durable construction. Use scenarios: installations or system upgrades to enable multi filter setup for enhanced filtration. Upgrading an existing pool to improve filtration during peak season by adding an extra sand filter. Seasonal maintenance or events requiring temporary expansion of filtration capacity to keep water clear.