Hayward SwimClear Cartridge Filter, 425 sq ft | W3C4030 Square Fire Bowl This volute side disc typically

This volute side disc typically fits into pump wet ends where water enters the system

Manufacturer part number: WC9-3

The basket traps debris within the filtration loop to protect downstream components and maintain steady water flow

Supports propane operation for the intended model

Replacing with the correct kit helps restore stable chlorine generation and predictable water care

Hayward SwimClear Cartridge Filter, 425 sq ft | W3C4030 Square Fire Bowl This volute side disc typicallyHayward W3C4030 SwimClear 425 Sq Ft Cartridge Pool Filter The Hayward SwimClear 425 Sq Ft cartridge filter is engineered for high performance filtration in residential in ground swimming pools. With a large filtration surface area and multi element cartridge design, this filter captures debris efficiently while maintaining excellent water flow. The quad cartridge filtration system provides extended dirt holding capacity, allowing longer periods