WHISTLE FREE - Multi-pattern corrugation disrupts the vibrations that cause whistling. INDOOR / OUTDOOR - Great for gas fire pits, gas log sets, fireplaces, and other fire features. SPECIFICATIONS- 3/8" ID, 1/2" OD with 1/2" Flare Nuts. STAINLESS STEEL - Stainless steel construction for durability and longevity. NG/LP - Works with natural gas and propane appliances. 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.
- 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.