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texteditor texteditor is offline
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Originally Posted by Space_Cowby View Post

Using a wood / spade drill, drill a 25mm hole in the plastic lid. The
bung will airlock will be a snug fit in the screw cap.
Why not just drill a hole a little bit smaller than the airlock - the plastic top grips it and forms a seal - no bung required and a smaller hole is easier to drill.