Nature2 Inground Vessel Purifier Express: Inground Vessel with Cartridge. Reduce chlorine use to just 0.5ppm. Installs in-line in minutes. ▪ See Owners Manual
Derby Duck Chlorinator: Large capacity holds up to six 3” tabs (or 1” tabs or sticks). Adjustable to regulate the amount of chlorine dispensed. Made of heavy duty resin – child resistant lock.