The Burton BD 300 Combi can handle upto 35,000ltr per hour though the drum section. We would reccomend taking no more that 15,000 ltrs from the bio section outlets, if you want more flow Burtons have added outlets either side to pull the additional flow. 

As Standard these drums come with a 60 micron screen and a weather proof auto control box, in which you can wire in and control you UV's and pumps
. 
Uv's and pumps not included in the drum system.

These Drums feature 3 x 110mm inlets and 3 x 110mm outlets plus 2 x 110mm outlets before bio section

Dimensions Approx: 1480mm x 658mm x 740mm

2 Year Warranty