Cherwell Laboratories is a manufacturing and distribution company offering a fully integrated range of products for environme ... ntal monitoring and the validation of sterilisation processes. We are an ISO9001 registered company dedicated to delivering excellence in product quality and service. Based in Bicester, we manufacture Redipor® prepared media, our own comprehensive range of prepared culture media products for the pharmaceutical and related industries. We also supply a range of cleanroom decontamination products and microbiological air samplers for a variety of applications. read more