Waterway Crystal Water Air Relief Assembly with Tube [525 sq. ft.] (550-4330) flocontrol A properly selected module helps

A properly selected module helps support cleaner communication setup and contributes to more convenient day-to-day system access

the entire spa can feel less ready and less enjoyable than it should

18 inch length

2-3/8 inch hole-size directional smooth-face design

This reduces the likelihood of leaks

Waterway Crystal Water Air Relief Assembly with Tube [525 sq. ft.] (550-4330) flocontrol A properly selected module helpsThe Waterway 550 4330 Crystal Water air relief assembly with tube is designed for compatible 525 square foot applications. An assembly like this is useful because it helps restore proper air relief performance within the filter system while preserving compatibility with larger capacity original assemblies. Using the correct size specific Waterway replacement is especially important in filter service, since related components often vary by capacity