High quality CO2 soda chargers from the very modern Mosa factory of Taiwan. Laser sealed cartridges assure a full cartridge each time. This charger delivers a super carbonated soda water for all you beverages. The seltzer chargers are guaranteed to give you a strong effervescence with no aftertaste. Each box contains 10 chargers. These are compatible with all brands of CO2 soda siphons (except the Soda Stream Products). Siphons sold separately. Manufacturer: Taiwan. Gas Production and point of Export: Taiwan. Notes: Compatible with all current model soda siphons including iSi, Kayser, Mosa, Liss.