The Propane Tank Gauge Brass Adapter with Gas Pressure Level Meter Indicator is a traditional style barbecue accessory designed for outdoor use. Made of durable brass alloy and stainless steel with a brass finish.  The brass adapter has a length of 3-5/8 inches and includes a pressure level meter for monitoring propane levels. Perfect for use with BBQs and RVs, this convenient tool ensures you always have an accurate reading of your propane tank's fuel level. Includes a roll of Teflon sealing tape for leak free installation.