Briefly summarized, according to one aspect of the present invention, a hydrotherapy unit comprises a housing and {TAIL ~ an elongated open tub} mounted on the housing for holding {HEAD ~ a volume} of fluid 
Briefly summarized , according to one aspect of the present invention , a hydrotherapy unit comprises a housing and { TAIL ~ an elongated open tub } mounted on the housing for holding { HEAD ~ a volume } of fluid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH