The RHGP1 is made of a high heat resistant silicon based product. Its core can withstand temperature of 600 degrees. The product flexible in nature. Is able to be easily installed inside the typical ½ conduit. The device when installed should stop 90 % or more of the grease laden vapors that can create a blockage or link line failure. They should be installed on every pipe conduit pipe opening in the system. The part shall be replaced annually or at more frequent intervals as required..