Natural CO2 gas chargers for use in any of our Seltzer Bottles and Soda Siphons. 8 gram size. Box of 10. Can be used with other soda siphons and seltzer bottles that use 8 gram siphon gas chargers. CO2 cylinders are made of steel and can be recycled like a tin can. One charger makes one liter or quart of sparkling water. Once your family discovers the fun of making their own seltzer water at home, the chargers will go fast so buy some extras. Save 10% off the regular price when you buy 5 boxes. That's only $5.21 a box. Save 15% off the regular price when you buy 10 boxes. That's only $4.92 a box. Please note: Seltzer bottles, soda siphons and chargers can not be shipped by air due to DOT regulations. These items can only be shipped ground residential or ground commercial. 0.8 lbs shipping weight. Availability: Usually ships the next business day. 301$5.79, 5/$26.05, 10/$49.20 Guarantee - Returns - Shipping Information Rated 'Excellent' by our customers. © 2001-2008 The Prairie Moon Company * 311 W Monroe St * Highland * Illinois * 62249-1326 Toll Free 866-331-0767 * Direct 618-651-9939 * Fax 618-654-7768 Email: service@prairiemoon.biz www.prairiemoon.biz