Pentair Diffuser Assembly (L1-23P) grasslin The Waterway 642-3680 straight adapter

The Waterway 642-3680 straight adapter is designed for compatible plumbing applications that transition from 2-1/2 inches to 2 inches using a slip-style connection

spa use can feel less inviting than it should

the spa can lose both function access and valuable display feedback

supporting proper routing where the original sweep component has become damaged or incomplete

Speck Pumps EasyFit-IV/-V Diffuser is a replacement pump component for the model family or equipment series shown in the title

Pentair Diffuser Assembly (L1-23P) grasslin The Waterway 642-3680 straight adapterThe Pentair L1 23P diffuser assembly is designed for compatible pump applications where the complete diffuser component needs replacement. A diffuser assembly like this is useful because it helps shape and manage water flow around the impeller area, making it an important wet end part in maintaining hydraulic efficiency. Replacement is often worthwhile when the original diffuser is cracked, distorted, worn, or no longer suitable for reuse during pump