As discussed, due to the wide range of vehicles types and capabilities fitted with AMETEK CBRN Systems, it is possible that an existing system – or variation of an existing system – will be suitable for a customers CBRN filtration requirement. At the initial stages of an enquiry it is probable, however, that the potential space envelope for a CBRN is not defined, so a selection of different CBRN system types are described in the following paragraphs to generate ideas as to how such a system might be fitted and to provide sufficient information to allow a representative ‘space claim’ to be made in the preliminary vehicle design.