Waterway Crystal Water Cartridge Manifold Plug (519-4320) mpindustries A complete assembly like this

A complete assembly like this is useful because it restores the visible and structural suction fitting in one matched part while offering a more premium finished look

this Waterway manifold is a practical solution when six 3/4 inch flexible outlets are needed from a 2 inch main body with adaptable connection options

the larger system often loses its core operating function

Supports easier pool vacuum setup and use

Waterway Crystal Water Cartridge Manifold Plug (519-4320) mpindustries A complete assembly like thisThe Waterway 519 4320 cartridge manifold plug is designed for compatible Crystal Water cartridge filter systems. A manifold plug like this is an important service part because it helps complete and seal the manifold area properly, supporting correct assembly and dependable filter operation. Small internal components can have an outsized effect on maintenance quality, especially in filtration systems where a missing or damaged plug can interfere with