1.Ozone generator for swimming pool 2. LCD timer 3. Ozone tube diffuser 4. Air, water ... generator for swimming pool Product Usage:Home,indoor,room,house,household,office,hotel,kitchen,restaurant,medical,hospital,industrialProduct Accessory:Air pipe, Air stone, Wall mounted ... : N202C2Manul Timer Working: N202D, G320, N206 Home kitchen ozone generator for swimming pool