The HTF0850 Hot Tub Filter is suitable for: Hayward Spas, CX-500, CX500-RE, PDC Spas, Cal Spas. Our Ref: HTF0850 | Pleatco: PA50 | Unicel: C-7656 | Filbur: FC-1240 | Darlly: 70508. Gadget & Drone Deals.
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