Bopla bos streamline 400403 enclosures bopla bs 403 dis 7024 this bos streamline enclosure from bopla is made from abs and offers a flat or inclined design which can be achieved by turning the enclosure half shells 180deg against the base allowing the forming of profile variants the ergonomic hand held enclosure features a lid with a membrane keypad area and comes supplied with both base and screws there is also an optional impact protectiondecor seal available in 5 colours bopla bs 4