Upper porous disc for 3 inch cell

We use cookies to provide website functionality and to analyse traffic on our website. We (and our service providers) use small text files called cookies and similar technology on your device. These cookies do not reveal your identity, web use or other behaviour. Our Cookie Statement provides more information and explains how to update your cookie settings. View our cookies policy.
By clicking 'Accept All Cookies', you agree that this site using cookies. If you do not want cookies to be used, you can click the "Decline All Cookies" button, but it may have an impact on the way you experience our website and others.