Look 300 Leland Mr Fizz 8 Gram CO2 Soda Siphon Seltzer Chargers

300 8 Gram CO2 soda chargers
These are standard cartridges, but
not ideal size for ISI Twist & Sparkle
as some users need to add a thin spacer below cartridge to achieve optimum puncture. 8 Gram Pure CO2 Soda Seltzer Chargers 300 or 30 new boxes of 10 8 gram pure CO2 Food Grade Triple Filtered