Flame King tanks are pre-purged vacuum-ready for filling with LP gas. With a standard-size connection valve, this large Flame King 40-lb. Propane Tank will connect as easily as smaller tanks. It also works with RVs or trailers, propane tank attachable heaters, and other accessories. This 40-lb. tank is manufactured with durable powder-coat paint that prevents rusting. Comfortable handles in the collar make it easier to lift. Manufactured to DOT and Transport Canada (TC) specifications, this tank is x-ray and hydro-static tested.• High-grade welded steel• Powder-coated for long-lasting exterior protection• Premium Overflow Protection Device (OPD) valve assembly• X-ray and hydrostatic tested• Great for RVs, trailers, and other accessoriesSpecificationsModel: YSN401Weight: 34 lbs. Capacity: 10 gal. Dimensions: 12.3" x 12.3" x 29.3" Premium Overflow Protection Device (OPD) valve assembly Comfortable handles in the collar for easier lifting Manufactured to DOT & Transport Canada (TC) specifications | Flame King 40-lb. Empty Propane Cylinder with OPD