💧 Pop, fizz, and sip your way to refreshment! Sip sustainably with recyclable steel. Enjoy fizz without the fuss of leaks. Stock up and never run out of bubbly! Electronically filled for perfect performance. Transform your beverages with just a click! No gas loss 100% recyclable 8gm standard size The iSi Soda Syphon Refills come in a pack of 10, featuring 8gm standard size cartridges that are electronically filled and weighed to ensure precision. With guaranteed no gas loss or leaks, these refills are made from 100% recyclable steel, making them an eco-conscious choice for your beverage needs.