CORROSION RESISTANT and RUST-FREE FOR MARINE APPLICATIONS! Because it is highly resistant to rust and saltwater corrosion, this is the best tank for boats, yachts, and any marine use; bigger tanks are available - 20 lbs, 30lb, and 40 lbsCONSTRUCTED FROM HIGH-GRADE ALUMINUM: This tank has a bright and shiny smooth finish and clean, dry, and flake-resistant interiors; great for Marine applicationsLIGHTWEIGHT FOR EASIER LIFTING - More propane gas with a lighter tank for your outdoor activities; great for Marine Applications, Grills and BBQs, Camping, Fishing, & Outdoor Activities; also works with RVs or trailers, propane tank attachable heaters, and other accessories.EMPTY TANK: Pre-purged vacuum ready for filling with propane; built from high-grade aluminum construction with long-lasting durabilityOVERFILL PREVENTION DEVICE: Comes with an OPD valve to prevent overfilling; required by law in most States, if your tank doesn't have this, most places won't fill it!SAFETY: X-Ray and Hydrostatic Tested and DOT (Department of Transportation) and TC (Transport Canada) Certified so you can be sure to transport safely both in the US and CA Check out other Aluminum Propane Tanks by Flame King! 10LB Aluminum Tank Add to Cart 5LB Aluminum Tank Add to Cart 20LB Aluminum Tank Add to Cart 30LB Aluminum Tank Add to Cart 40LB Aluminum Tank Add to Cart Customer Reviews — 5.0 out of 5 stars 3 — 3.8 out of 5 stars 4 — Price $139.00$139.00 $129.00$129.00 $219.95$219.95 $229.50$229.50 $319.95$319.95 Capacity 10 lbs 5 lbs 20 lbs 30 lbs 40 lbs Corrosion-Resistant Rust-Free ✔ ✔ ✔ ✔ ✔ Built-in Gauge ✘ ✔ ✔ ✔ ✘ Material Aluminum Aluminum Aluminum Aluminum Aluminum DOT & TC Certified ✔ ✔ ✔ ✔ ✔ Empty & Pre-purged ✔ ✔ ✔ ✔ ✔ Lightweight ✔ ✔ ✔ ✔ ✔ CORROSION-RESISTANT and RUST-FREE! The Flame King 10LB refillable propane cylinder is highly resistant to rust and saltwater corrosion. Tank is lightweight for easier lifting! Built from high-grade aluminum, this tank is lighter than the 10LB steel tanks, making it your best buddy for backpacking, camping, and other outdoor adventures! This tank has a bright and shiny smooth finish and clean, dry, and flake-resistant interiors. Also ideal for outdoor cooking, grills and BBQs, and torching. For your safety, this tank comes with an OPD valve to prevent overfilling. X-Ray and Hydrostatic Tested and DOT (Department of Transportation) and TC (Transport Canada) Certified so you can be sure to transport safely both in the US and CA.