🔥 Ignite Your Evenings with Style! Enhances propane burn efficiency, reducing soot and emissions. Experience a roaring 300,000 BTU output for your fire pit or fireplace. Achieve a stunning flame appearance that elevates your outdoor ambiance. Crafted with solid brass for durability and reliability. Standard 3/4 inch NPT male threads make setup a breeze. Propane efficiency 300K BTU 3/4" NPT The Stanbroil LP Propane Gas High Capacity 3/4" Air Mixer Valve is designed for fire pits and fireplaces, boasting a powerful 300,000 BTU output. Made from solid brass, it features 3/4 inch NPT male threads for easy installation and significantly improves propane burn efficiency, resulting in a cleaner, more visually appealing flame.