SALE These high quality aluminum high-pressure air tanks from Worthington Cylinders were designed with safety as a top priority. These tanks are new, with a fresh monthly manufacture date. Worthington is the leading global supplier of Co2 & HPA tanks. Each and every cylinder meets or exceeds industry regulations for quality and they’re manufactured in facilities that have won awards for proactive safety practices and regulations. DOT/TC Stamps. Made in the USA $59.99