Rangehoods Plus has two new models BBQ Rangehoods.
The EASIAIR 1200MI (Island) and the EASIAIR 1200M (wall mount)
They have 2 x motors that Exhaust a Maximum 3668m3/hr.
To qualify that Exhaust Rate EASIAIR had an Flow Test done in Australia
where 2 metres of flexible ducting was added to achieve a net rate of exhaust. It showed 3460 m3/hr net exhaust rate.
A futher test was done by adding a 200mm 90% elbow which you would use to direct the exhaust through a back wall and a 3008 m3/hr net exhaust rate.
These rate of exhaust are extraordinary they show a motors that will exhaust all odours, fats & smoke.