Features: Suitable for Blackstone grill 17 Inch & 22 Inch model. Allows connection to the low pressure system on a Travel Trailer. Allows you to switch from a 1 pound propane bottle to a bulk (20 pound) propane tank. 90 degree elbow design helps you save more space and easy connect. No regulator needed for connecting it to your RVs or Trailer propane gas quick connect. Made of Solid Brass, premium quality and solid construction ensure your safety and save your money. Specifications: Item: 1/4 Inch Low Pressure Propane Elbow Adapter Material: Heavy-duty Solid Brass Connection: 1/4" RV quick connect plug to hook direct to low pressure line on RV trailer .