This listing is for a used Victor GPT270D regulator, a model often part of a custom CO2 system for controlled gas flow. As a pre-owned item, its specific operational history is not detailed, so review the listing for full condition specifics. It is a suitable component for welding, industrial, or hobbyist applications requiring precise CO2 regulation. The item ships free, adding value to the purchase. Before buying, verify all included parts and compatibility with your setup. Check the listing for full details on dimensions, included accessories, and any available performance information. Victor regulator GPT 270D custom co2 system, Victor GPT270D. Condition: Used. Listed at 123.49 USD. Introducing the Victor regulator GPT 270D custom CO2 system, a top-of-the-line product for all aquarium enthusiasts. This regulator is designed to work with all water types and is perfect for those looking to enhance their fish and aquarium experience. The Victor GPT 270D is a reliable and efficient system that will help you achieve the perfect environment for your aquatic pets. This CO2 regulator is a must-have for any serious aquarium owner. It is easy to use and maintain, making it a great addition to your collection. The Bettatail brand is known for their high-quality products, and this Victor regulator GPT 270D is no exception. Get your hands on this custom CO2 system today and give your aquarium the boost it needs.