PSL are suppliers of high containment systems for the worldwide pharmaceutical industry, protecting operators during the processing of the highly potent compounds used in the production of today's medicines. Products include a wide range of high specification gloveboxes, filter dryers designed for high efficiency pharmaceutical applications and a patented high containment valve used in charging and discharging process equipment. PSL customers include all major pharma groups eg GSK, Pfizer, Merck, Astra Zeneca etc. The company is located in a new custom built facility and has been recognised by the Queen's Award for Export, Duke of Westminster Award and is accredited for ISO 9001 and Investors in People.