The Waterway Quad Flo Jet Internal [Swim Jet] [Scal] [White Retainer Ring] [White] is a Waterway Plastics jet internal/nozzle for spa and hot tub jet service where matching the original face size, connection style, color, and jet action is important. This component is intended for replacement or repair work on compatible Waterway jet assemblies, helping restore the look and performance of an existing hydrotherapy station without requiring unnecessary changes to surrounding plumbing or trim. Part number 212-4510 should be matched to the existing part number and visual configuration before ordering, especially on jets that share similar face designs but use different backs, inserts, or flow styles.This item is built around a replacement jet component intended to help restore proper water movement, appearance, and user comfort. The visible finish/detail is White Retainer Ring, White, making it useful when maintaining a consistent spa interior appearance. Because Waterway jet families include many closely related directional, roto, twin roto, massage, Galaxy, Power Storm, Mini Storm, and whirlpool variations, confirm the face diameter, internal style, air/water connection, and color against the part being replaced. Proper matching helps preserve flow balance, prevents fit issues, and keeps the repaired jet assembly aligned with the original spa design. Designed for compatible Waterway Plastics spa jet assemblies and related jets & parts repairs Useful when replacing a worn, missing, discolored, cracked, or incorrectly operating jet internal/nozzle Helps restore water flow direction, massage action, and finished appearance at the jet location Match by part number, face size, style, color, and air/water connection before ordering Recommended for spa service technicians, repair shops, and homeowners maintaining Waterway-equipped systems