The Unicel Cartridge C-7633 is a 33 square foot replacement filter designed for use with Purex CF-33, CF-66, and CF-100 pool and spa filters. This cartridge is essential for maintaining clear water by efficiently capturing dirt, debris, and other contaminants. It features a pleated design that allows for a larger filtration area, reducing pressure on your pump and increasing its lifespan. The cartridge has a length of 14 inches and a diameter of 7 inches. This model requires two cartridges for CF-66 filters and three cartridges for CF-100 filters, making it a versatile option for various Purex systems.

• Efficient Filtration Performance: This 33 square foot replacement filter is designed to capture dirt, debris, and other contaminants, ensuring your pool or spa water remains crystal clear and safe for use.
• Pleated Design for Increased Filtration Area: The pleated design of the C-7633 cartridge provides a larger filtration area, which reduces pressure on your pump, enhances filtration efficiency, and helps extend the lifespan of your pool equipment.
• Versatile Compatibility: Compatible with Purex CF-33, CF-66, and CF-100 pool and spa filters, this cartridge is a versatile option for various systems, requiring two cartridges for CF-66 filters and three cartridges for CF-100 filters to achieve optimal performance.
• Durable Construction: With a length of 14 inches and a diameter of 7 inches, this filter is built to last, offering reliable and consistent filtration to keep your pool or spa in top condition.

• Pentair Purex CF-33 Filters
• Pentair Purex CF-66 Filters
• Pentair Purex CF-100 Filters