🔥 Fuel your adventures sustainably! 🌍 DOT certified for safe transport and use. Save money by ditching disposable tanks! Easily refill at home in just a few steps. Reduce waste with refillable tanks! High-grade steel construction for ultimate reliability. Cost-effective DOT Certified Eco-friendly The Flame King Refillable 1lb Empty Propane Cylinder Tank is a set of four eco-friendly, DOT-certified propane tanks designed for safe and legal refilling. Made from high-grade steel, these durable tanks are perfect for outdoor cooking and camping, allowing you to save money and reduce waste while enjoying your adventures.