HS Fume Cupboards HS Fume Cupboards Carella are approved agents for Chemical Systems Control Ltd. CSC fume cupboards and ducting systems are designed and manufactured to BS7258 accreditation and are installed in major hospitals, colleges, pharmaceutical labs, food research and other chemical companies in Ireland. The cupboard bodies are manufactured from either BS746 specification PVC or Polypropylene plastic or epoxy coated PVC and are aerodynamically designed for optimum airflow efficiency. With this partnership Carella can offer full design, manufacture, installation and commissioning for fume cupboards and extraction. The client is offered a safe and certified operation and the option of ongoing service contracts. We also offer a range of safety cabinets and chemical storage, from containment to fireproof on requirement.