Happy HHTRB35H Hot Tub Filter Compatible with PRB35-IN C-4335 40353 Hydrospa Spa

Happy Hot Tubs HHTRB35H Filter - Compatible with Pleatco PRB35-IN C4335 FC2385 40353. Happy - HHTRB35H. HydroSpa - After Hours Spas. Darlly - 40353. Max-flow Core to maximise the flow through the core of the filter and improve hot tub performance.