Use the plunger adapter to isolate water flowing during filter cartridge replacements, pumping cleanings, or vacuuming operations without draining your ground swimming pool This pool hose plunger adapter set ensuring for ground pools and pumps, featuring double split hose connection and included adapters for hose sizing flexibility Ideal for pool owners requiring eplacements for 11872 series valves or upgrades to enhancing filtration during seasonal maintenance Engineered for alignment systems, this adapter set simplifies pool equipment maintenance for extended outdoor durability Constructed from with chlorine resistant seals, the set includes a split plunger adapter, pumping adapter, and hose clamps to leak proof connection while maintaining optimal water flowing control