Swimara Ultra Azure Series for Hayward C3030 Filter Cartridges 325 sq ft | Replaces CX580XREPAK4/PA81-PAK4; fits C3030/C3025/C3020; 5 oz/sq yd blue trilobal media for debris loads & flow; 4-Pack

Fits C3030/C3025/C3020/C3000/C3000S / Replaces PA81. Replaces CX580XRE/CX580XREPAK4, PA81/PA81-PAK4, C-7483/C-7483-4 and FC-1225/FC-6425. 4-Pack; 81 sq ft each; 325 sq ft total. 7 in. OD x 19-3/4 in. L; 3 in. open ends.

5 oz/sq yd Ultra Azure Media: Blue three-lobed polyester fibers help capture particles as small as 10 microns. The 5 oz pleat pack is built for high debris loads and dependable flow in high-use pools and seasonal fine-debris conditions.

PU End Caps, PP Core & Pleat Bands: Molded PU end caps support secure seating, the reinforced PP core supports the 5 oz pleat pack, and retaining bands help keep pleats evenly spaced and flow paths open during filtration and rinsing.

Heavy-Use Cleaning. Depressurize and follow the manual. Rinse top to bottom; inspect more often during high use or seasonal debris. For Hayward C3030-series, clean at 7-10 PSI above clean starting pressure; follow other system manuals.

Certified to NSF/ANSI 50. Designed for pool owners seeking 5 oz/sq yd blue filtration media, dependable water flow and straightforward maintenance in high-use residential pools and demanding seasonal conditions.