What’s the biggest size bung you do? Our biggest bung is currently 50mm. You can use some cork or wood to fill the hole if the aperture is bigger than that and insert our fittings into that. Leave A Comment Cancel reply Your email address will not be published. Required fields are marked * Comment Name * Email * Denise2019-12-19T12:39:42+00:00 Share online FacebookTwitterLinkedInWhatsAppPinterest Leave A Comment Cancel replyComment Save my name and email in this browser for the next time I comment.