This hot tub jet is a reflex foot massage jet (RFM jet)
Beachcomber’s reflex foot massage (RFM) fixture fits into the footwell foot massage waterport sockets. This largest size RFM jet provides heavy duty foot massage with the RFM option, together with two to three other RFM hot tub jets.
Non Posilock (snap in) - 5" across jet face
For Beachcomber Hot Tub Models from 2004 to 2014 with RFM option