These 30cm diameter Distillers lids are designed to fit the 35L DigiBoil and Grainfather G30 and Turbo Boiler.  The lid has a 47mm hole in the centre, ideal for attaching the AlcoEngine Reflux, AlcoEngine Pot Still or the Turbo 500.  The Lids come with a silicon seal to ensure a complete seal and is made from 304 grade stainless steel.