About This

• [Perfect Fit & Easy Seating] 1:1 precision replacement for Pentair CCP520 (#160332) and Waterway 525. Compatible with OEM 178585, R173578, and PCC130-PAK4. Direct drop-in design ensures a 100% leak-free seal with no tools required once the tank is open.
• [Ultra 5 oz+ Trilobal Technology] Upgraded with flagship 5 oz heavy-duty fabric (60% thicker than standard) featuring triangular Trilobal fibers. Captures fine debris down to 10 microns for crystal-clear water. Optimized for high-bather loads, heavy pollen seasons, and post-storm cleanup with fewer cleaning cycles.
• [Rugged Structural Integrity] Engineered with a reinforced anti-collapse core to handle high-pressure cycles from variable speed pumps. High-tensile fibers maintain pleat stability and prevent bunching under stress, ensuring maximum water flow and an extended service life up to 24 months.
• [Verified Specs & Efficiency] Professional 4-pack set with 520 Sq. Ft. filtration area. Specs: 7" OD x 32" L x 3" Open Hole. Verified alternative to Unicel C-7472 and FC-1978. High-flow spacing reduces backpressure to lower energy costs.
• [The Swimara Professional Tier] The Swimara Ultra Series is our premier flagship choice for uncompromised water clarity. Designed for maximum dirt-holding capacity and durability, it is the ultimate upgrade for pool pros and owners seeking the highest professional standards in backyard pool health.