EcoSpin activator for special applications The EWY activator, which is made entirely of plastic and is especially suitable for osmosis systems/PH 5, is installed in hygiene-sensitive areas, before and after ultrafiltration, or in coffee machines. Excellent lime and germ protection, improved dissolving power, source water qualityInstallation on reverse osmosis systems Filter systems (John Guest plug-in system) 3/8-inch design Connection: 3/8 inch John Guest Performance: 10 l/min