Flame King Refrigerant Recovery Cylinder Tank - Reusable - DOT Compliant - Y-valve Liquid/Vapor - 30 LB Pound SAFETY FIRST - Flame King Tanks are pre-purged vacuum ready for filling with LP Gas - They are X-ray and hydrostatic tested plus Department of Transportation (DOT) and Transport Canada (TC) certified plus it conforms to DOT-4BA-400 specifications and ARI guidelines HIGH QUALITY - Each tank is constructed from high grade welded steel and powder coated for long lasting durability. REFILLABLE - These tanks have proven themselves time after time, they're refillable and designed to last a lifetime LEADING the INDUSTRY - Flame King is a long standing company and the leader of propane storage solutions. Flame King prides themselves on making the highest quality, most premium refillable propane tanks on the market. You can find Flame King tanks for all your needs from refillable 1 lb canisters all the way up to 100lb tanks SUIT YOUR NEEDS - this 30lb tank will suit your refrigerant recovery needs. It is equipped with a Y-valve for liquid and vapor and 3/4 inch NPT opening accepts 80 percent fill with a float switch shut off device