1. Dual Compatibility for Multiple Tanks: This propane adapter allows you to operate both POL and QCC1 propane tanks from a single POL cylinder. Enjoy seamless compatibility and flexibility for all your grilling, heating, and camping needs without swapping connections. 2. Built-In Pressure Gauge for Real-Time Monitoring: Equipped with a clear, easy-to-read pressure gauge, this Y splitter adapter lets you instantly check your gas levels. The large dial displays red (empty), yellow (low), or green (sufficient), so you always know when it's time to refill or replace your tank. 3. Convenient Gas Level Indicator: The 2 way gas adapter's integrated oil level indicator design allows you to monitor the remaining gas in your cylinder at a glance. Avoid unexpected interruptions during outdoor cooking or heating by keeping track of your supply with just a quick look. 4. Versatile Use for Outdoor Appliances: Perfect for gas grills, heaters, camping stoves, tabletop grills, and more, this propane tank connector adapter is a must-have for outdoor enthusiasts. Easily connect and variety of propane appliances, making your outdoor experiences more efficient and enjoyable. 5. Reliable and Secure Connection: Designed for a tight and leak-free fit, this metal gas tank converter ensures safe gas transfer between tanks and appliances. The sturdy construction and precise threading provide peace of mind during use, whether you're or out in the wild. Size:110.00x90.00x40.00mm/4.33x3.54x1.57inch Color:As Shown Material:Plastic+Copper Package Contents: 1 * Propane Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.