The product is a genuine Toro Gas Tank Gas Cap designed for various Toro models, including the Recycler and Wheel Horse series such as 20044, 20046, 22170, 22171, 22172, 22173, 22174. This OEM part, with the part number 100-2816, is a replacement fuel gas cap specifically made for Toro gasoline-powered outdoor power equipment like snow blowers. It is essential for ensuring a proper seal on the gas tank to prevent leaks and maintain the efficient operation of the machine. Additionally, the product includes a California Prop 65 Warning regarding potential reproductive harm from certain chemicals present in the cap.