DEX2400K Pool Filter O-Ring Replacement for Hayward Micro-Clear DE, Pro-Grid DE, Super Star Clear, SwimClear Filters, Replaces DE2400, DE3600,DE2420, DE3620, DE4820, DE6020, DE7220

["Compatible: DEX2400K O-Ring Compatible with Hayward Micro-Clear DE Filters models: DE2400, DE3600（Models Made Before 2008）, DE4800, DE6000","Compatible: DEX2400K O-Ring Compatible with Hayward Pro-Grid DE Filter models: DE2420, DE3620, DE4820, DE6020, DE7220","Compatible: DEX2400K O-Ring Compatible with Hayward SwimClear Filters models:C2020, C2025, C2030,C3020, C3025, C3030,C4020, C4025, C4030,C5020, C5025, C5030,C7000","Compatible: DEX2400K O-Ring Compatible with Hayward Super Star Clear Cartridge Filters, models: C-2000, C-3000, C-4000, C-4500, C-5000, C-5500, C4520","The DEX2400K O-ring gasket is a large-sized tank/valve body O-ring used to seal the upper and lower sections of the filter. Over time, this O-ring will eventually wear out due to compression. Replace the O-ring promptly to restore the filter to optimal performance."]