The Flame King 5 LB Propane Tank is a pre-purged vacuum ready for filling with propane, avoiding you the cost and headache of purging your new tank. Built from high grade welded steel and powder coated for rust prevention. For your safety, this tank comes with an OPD valve to prevent overfilling. It also comes with a built-in gauge, so you don’t have to worry about running out of propane! The built-in gas meter gauge provides accurate gas level readings. X-ray and hydrostatic tested and DOT and Transport Canada certified so you can be sure to transport safely both in the US and CA. Its portable size makes it a perfect buddy for camping, ice fishing, beach get-togethers and other outdoor activities. Use this tank along with Flame King’s Propane Backpacks for easier transport. Check item numbers YSNBKPK-AF and YSNBKPK.