"Plymouth Marine Laboratory twin WP-2 Bongo net"@en . . "SDN:L22::TOOL0982" . "Plankton net described as PML twin WP-2 Bongo net; designed with double circular (ring or hoop) mouth piece with measurements: diameter (metre)=0.60; with opening area (square metre)=0.26; with total filtering net length (metre)=not specified; with filtering net shape cylindrical-conical; with additional features: not specified; with mesh size (millimetre)=0.2; and equipped with NO closing mechanism."@en . .