Every home or office has a plumbing system, and sometimes that system gets backed up. When you have a clog, it can be a real pain to clear it out. That's where the Diversitech Corp 16G CO2 Drain Gun Cartridges GGC-12, Silver, 12 Pack comes in to help. This great product gives you the power to clear out any clog quickly and easily. The Diversitech Corp 16G CO2 Drain Gun Cartridges GGC-12, Silver, 12 Pack is a must-have for anyone who owns a home or office. This simple, yet powerful tool can clear out any clog in seconds. The silver finish is sleek and modern, and the 12 pack ensures that you always have a few on hand when you need them.