AYWFEY 1 PCS POL to QCC1 Propane Tank Adapter with 10 Pcs Propane Tank O Rings Converts POL LP Tank Service Valve to QCC1 / Type1 Hose or Regulator Solid Old to New Brass Product Description Propane Tank Adapter Kit Propane Tank Adapter, with 10 Pcs Propane Tank O Rings, Converts POL LP Tank Service Valve to QCC1 / Type1 Hose or Regulator Solid Old to New, Brass Product Details Propane Tank Adapter Size Length5 cm/ 1.97 inch Width: 3.2 cm/ 1.26 inch Inner ring2 cm/ 0.79 inch Unparalleled quality The propane tank adapter is made of high-quality brass, which is corrosion-resistant, not easy to leak, and safe and reliable. Propane Tank O Ring Size: 1.4 cm/ 0.55 inch Texture of material: The propane tank O ring is made of high-quality rubber. Function Convert POL low-pressure fuel tank maintenance valve into QCC1/1 type hose and regulator. Good for camping, BBQ, outdoor cooking. Easy to use Connectors can quickly connect access.ories without the need for tools. Both propane tank connectors and rubber gaskets are very convenient to install on propane equipment. The entire process of installation, connection, and disconnection is safe and free. What you will receive? 1 Pcs propane tank adapter, with 10 Pcs propane tank O rings. Note: This adapter allows you to use a larger propane tank with a new regulator at the propane tank connection.