Happy HHTWK65H Hot Spring Tub Filter Fits Many Hot Tubs
Happy Hot Tubs HHTWK65H Filter For Hot Spring and Caldera Spas. Happy - HHTWK65H. Max-flow Core to maximise the flow through the core of the filter and improve hot tub performance. Hot Spring Spas - HotSpot Series - Relay, Rhythm & Tempo.