- Secure hose connection: The pool cleaner inflow hose nut 9-100-3109 / 91003109 is designed to securely hold the inflow hose to the swivel joint of your pool cleaner, providing a reliable, stable connection during operation. - Durable and reliable: Constructed from durable materials for long lasting performance and dependable operation over time. - Direct replacement: An exact fit as a replacement nut, ensuring proper seating and function. Serves as a spare part for your pool cleaner. - Compatibility: Direct replacement for pool cleaner nuts with part numbers 9-100-3109 and 91003109. - Use scenarios: - Replacing a worn or damaged nut to restore a secure hose connection on an existing pool cleaner. - As part of routine maintenance or refurbishment when replacing the inflow hose hardware. - Installing or reassembling a pool cleaner that uses these part numbers to ensure proper fit and performance.