DEX2420MAR2 Air Relief Valve for Hayward DE Cartridge Sand Filters | Compatible with Pro Grid, SwimClear, DEX2400S, DEX2420, with Gauge & O-Ring$$Garden & Patio

Efficient Air Removal & Performance Boost CTMAOYI DEX2420MAR2 air relief valve assembly quickly releases trapped air from Hayward pool filters, reducing pressure buildup and improving water flow for crystal-clear pool water Wide Compatibility & Exact Fit Designed as a direct replacement for Hayward DE, Cartridge, and Sand Filters (including Pro Grid and Swim Clear models). Perfectly compatible with DEX2400S, DEX2420, and other Hayward filter systems Durable Construction & Accurate Monitoring Built with high-quality materials and includes a precision pressure gauge to monitor filter conditions in real-time, ensuring long-lasting reliability Easy Manual Operation & Maintenance User-friendly manual air relief valve simplifies maintenance, enhances filter efficiency, and supports optimal water softening without tools Complete Kit with Sealing Guarantee Includes a high-grade O-ring to prevent leaks, ensuring a secure seal and smooth operation in sand, DE, or cartridge filter systems