Jacuzzi Whirlpool Bath Rainbow Faucet Valve Cartridge Assy w Seat & Spring (2467000) ametek and this Gecko version is and this Gecko version is designed in a 25 foot length for MSPA and TSPA applications with a 3 8 inch diameter and 4 pin connection using the 9920 400245 reference A focused replacement like this is especially useful when the surrounding wet end parts remain serviceable and the weakness is isolated to the diffuser itself this repair set helps support dependable faucet operation and better long term service value Faucet repair components are useful because water control issues often come from worn internal parts rather than from the visible faucet body itself