The control knob is made out of plastic. It is available as an individual replacement part. This item is an OEM from Aftermarket for use in outdoor grills. No tools should be needed during the installation process. It will require replacing if it breaks.
This part number matches the current model number 6000
Part #BS-298090S
This is a genuine OEM approved replacement fuel filter that is specially designed for use with gas-powered lawn and garden equipment. Its purpose is to ensure the fuel supplied into the engine is free of any dust or other contaminants. Over time it may become clogged restricting the fuel flow and eventually requiring a replacement. It is made of durable plastic and it is sold individually.