United Spas Adapter Cord [10-Pin Molex to RJ-45] (EL138) couplings A rectangular DE grid filter

A rectangular DE grid filter helps support diatomaceous earth filtration inside a compatible pool filter assembly

Replacing it can help restore a cleaner heater interior and support the proper configuration of the return-side section

Brand-specific switches like this are useful when preserving original equipment behavior and connection compatibility is important

Helpful for professional service trucks and repair benches

United Spas Adapter Cord [10-Pin Molex to RJ-45] (EL138) couplings A rectangular DE grid filterUnited Spas Adapter Cord [10 Pin Molex to RJ 45] (EL138) is a replacement adapter cord for compatible United Spas control and topside panel applications. Adapter cords help bridge connector differences when matching control components, panels, or related electrical assemblies. This 10 pin Molex to RJ 45 adapter is useful when servicing or updating a spa control setup that requires the correct connector conversion. Always confirm the original wiring