SILCS Diaphragm (image) CONRAD Caption The SILCS Diaphragm is a one size fits most diaphragm which is launching in Europe. It was created through a collaboration between PATH, CONRAD, Kessel Marketing and funded by USAID. Credit Kessel Marketing Usage Restrictions None 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.