25 Sq. Ft. MAAX Replacement Filter | ProAqua

The ProAqua PA-525 is a 25-square-foot replacement hot tub filter for select MAAX Spas Elegant, Intrigue and Joli models. It has a closed top with a handle and a 1-1/2-inch male MPT threaded bottom connection. Unicel cross-reference P/A: 5CH-25.

Elegant, Intrigue and Joli model names have also been used by other spa manufacturers with different filters. Confirm that your spa is a compatible MAAX model and compare your existing cartridge's measurements and connection before ordering.

Filter specifications

• ProAqua model: PA-525.
• Diameter: approximately 6 inches; specific cartridge measurement: 5-5/8 inches.
• Length: 6 inches.
• Top: closed with a handle.
• Bottom: 1-1/2-inch male MPT thread.
• Filter media area: 25 square feet.
• Filter media weight: 3 oz.
• Pleat count: 201.

Compatible replacement references

• Unicel 5CH-25.
• MAAX Spas 108868.
• Pleatco PMAX25P4.

Use the specific 5-5/8-inch diameter when checking cartridge clearance and fit. Match the length and threaded connection too; model name alone does not confirm compatibility.