Keep your Marquis or Cal Spa running at its best with the Unicel 5CH-502, a 50-square-foot replacement filter cartridge that delivers professional-grade water purification. Featuring 197 precision-formed pleats of premium 3-ounce Reemay polyester media, this cartridge captures particles as small as 20 microns for remarkably clear, contaminant-free spa water. The sharply defined pleat profile promotes maximum water throughput while keeping pressure drop to a minimum. A sturdy plastic end cap and 2-inch male thread/MPT connection make installation and removal fast and straightforward, while the cartridge's robust build ensures it performs reliably across many cleaning cycles before needing replacement.

Key Benefits

• High-Efficiency Filtration: Provides 50 square feet of filtering capacity and captures particles down to 20 microns, ensuring your Marquis or Cal Spa water stays pure and inviting.
• Durable Reemay Polyester Media: Constructed from premium 3-ounce Reemay polyester with 197 precisely shaped pleats, maximizing water passage while maintaining thorough particle retention.
• Long-Lasting and Easy to Install: A rugged plastic end cap paired with a 2-inch male thread/MPT fitting allows quick, secure attachment and removal, delivering dependable performance across extended use.
• Optimized Water Flow: The sharp pleat geometry sustains strong water circulation with minimal pressure loss, making this cartridge an excellent replacement for maintaining your spa's filtration efficiency.

What's Included

• Unicel 5CH-502 Cartridge

Compatibility

• Marquis Spas and Hot Tubs
• Cal Spas Spas and Hot Tubs

Specifications

• Brand: Unicel
• Part Number: 5CH-502

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