Unicel C-7494-4 Replacement Filter Cartridge Set (4-Pack) for Hayward SwimClear C5025 & C5030 | 131 Sq. Ft. Each | 32 13/16" Water Feature Parts Never use petroleum-based products —

Never use petroleum-based products — they degrade rubber O-rings rapidly

Also fits Hayward Universal H-Series gas heater model C_PAHEAT

Always have a licensed pool professional or qualified HVAC technician perform the replacement

Requires OEM-supplied manifold changeover kit to replace old pie-shaped cartridges

⚠️ IMPORTANT: This Is a Single Replacement Cartridge

Unicel C-7494-4 Replacement Filter Cartridge Set (4-Pack) for Hayward SwimClear C5025 & C5030 | 131 Sq. Ft. Each | 32 13/16" Water Feature Parts Never use petroleum-based products —The Unicel C 7494 4 is a complete 4 pack of 131 sq. ft. replacement filter cartridges the full quantity needed for one complete service on your Hayward SwimClear C5025 or C5030 pool filter. Each cartridge is built with 4 oz. Reemay 2040 polyester media and 169 precision pleats, delivering a combined 524 sq. ft. of filtration area per service for consistent water clarity in residential and commercial pool applications. Complete Service Pack 4