Watkins Caldera VSR 5 inch jet insert also found in early model Bullfrog Spas. Jet includes the mounting ring as this is is a retrofit kit as it has to be glued on. Instructions are included. Caldera Spas including Aspire, Elation, Geneva and Tahitian models as well as others. Bullfrog replacement for part number 10-1120. Watkins VSR Directional Jet Internal 5"
