Waterway Crystal Water Air Relief Assembly with Tube [525 sq. ft.] (550-4330) flocontrol 2-3/8 inch hole-size directional smooth-face

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

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

Helps restore secure filter assembly closure

18 inch length

Waterway Crystal Water Air Relief Assembly with Tube [525 sq. ft.] (550-4330) flocontrol 2-3/8 inch hole-size directional smooth-faceThe 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