Waterway Cartridge Manifold Plug for Inground Crystal Water Filter | 519-4320 Vacuum Brush Ensure good metal-to-metal contact

Ensure good metal-to-metal contact

Lower Body: This is the main bottom section of the pool cleaner's body

Pentair is a recognized leader in pool equipment technology

for plaster or pebble-surfaced pools

Waterway Cartridge Manifold Plug for Inground Crystal Water Filter | 519-4320 Vacuum Brush Ensure good metal-to-metal contactWaterway Cartridge Manifold Plug for Inground Crystal Water Filter 519 4320 OEM Waterway cartridge manifold plug for Crystal Water inground cartridge filters. Direct replacement part for proper internal filter assembly fit. Features Genuine Waterway replacement part. Designed for Crystal Water cartridge filter assemblies. OEM part number 519 4320 for accurate replacement matching. Helps restore proper internal manifold assembly in compatible filters.