Rigorously tested for compression resistance and longevity, this 2 pack rubber seal revitalizes aging pool equipment with factory grade Premium replacement gasket ensures a leak proof seal for pool skimmers ( SPX1091G / SP1091LX), crafted from strong rubber to withstand pool and pressure UV resistant and weatherproof construction prevents cracking / fading, maintaining flexibility across season for stable skimmer to pumps connection in swimming pools Secures skimmer lid during routine pool maintenance, debris entry while sustaining proper water flows in residential or commercial swimming facilities Ideal for pool owners maintaining over ground or in ground systems requiring compatible skimmer gasket replacements to preserve water circulation efficiency