Midwest Hearth Whistle Free Gas Flex Line for Fire Pit and Fireplace

Fire Pit & Outdoor Fireplace Parts by Midwest Hearth. Details:Features: – Tranquil whistle free design helps to eliminate whistling noises. – Indoor or outdoor. – 1/2-inch OD with 1/2-inch flare nuts. – Additional 1/2″ Male Flare x 1/2″ Female NPT fittings included. – Black coated finish. – Stainless steel construction. Compatibility: Gas Fire Pits Gas Fireplaces Gas Log Sets Natural Gas Propane How to reduce or eliminate whistling: – Use a whistle-free gas flex line. – Make sure there are no major bends or kinks in the line (90-degree bends will cause whistling). – Use correct gas pressure. Too high pressure can result in whistling even with the correct line.