Unicel® Replacement Filter Cartridge – part #C‑4975

OEM-quality Unicel® filter cartridge, model C‑4975, designed as a direct replacement for various spa and hot tub applications.

Large pleated polyester media offers a high filtration surface area for efficient debris capture.

Built with a durable core and reinforced end caps—designed for repeated cleanings.

Compatible with multiple systems that previously used U‑29, US‑68, or C‑709 cartridges.

Easy to clean by rinsing with a hose; replace every 12–18 months for optimal performance.