Nature2 Universal Limited and Professional Replacement Cartridge for G25, W25926

Nature2 Universal Limited and Professional Replacement Cartridge for G25, W25926 Compatible with Professional G and Pro G Plus systems Fits both limited and professional vessels (3Post design accommodates both 3Post and 2Post vessels) Designed for pools ranging from 10,000 to 25,000 gallons Cartridges have a lifespan of up to 6 months Flow rate of 10 18 GPM for optimal performance