The standard B2 flex kit consist of multiple size containments to fit any scenario.
The units consist of:
B2FHD190 Single barrel 80cm x 80cm x 30cm
B2FHD290 Double barrel 75cm x 1.33m x 30cm
B2FHD450 Four Barrel 1.5m x 1.5m x 20cm
B2FHD910 Oil storage 2.13m x 2.13m x 20cm
B2FHD290L Narrow trough containment 61cm x 2.43m x 20cm
B2FHD1100 ISO Tank containment 1.22m x 3.05m x 30cm