Filter Paders (IMAGE) R&D at British American Tobacco Caption This image shows from left to right: Filter Paders after 10 puffs of a cigarette, 48 puffs from glo, 500 puffs from Vype and a blank (i.e. unused filter pad). Credit British American Tobacco Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.