Is [https://www.goodmans.net/i/6547/farber-30426-knob.htm|this] what you need?
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Is [link|https://www.goodmans.net/i/6547/farber-30426-knob.htm|this] what you need?
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There is also a [https://www.goodmans.net/i/9471/univen-percolator-lid-fits-farberware-electric.htm|lid] but it doesn't mention if it is suitable for your model but it gives dimensions.