Make use of the filter. Stove fuel gas production flow and flow in the low speed of the air flowing through the ash and is on the grill, so they have to stick it out to the ashes, fuel gas, more.
The use of filtering less. Gas stove fuel flow both up and down the speed of air flow is low. And the ashes will be on the grill Therefore, the amount of ash stick out with very little gas.
Make use of filter. Producer gas fuel flow up and down the flow speed of the air flow will be lower. And ash on the rack. Therefore, the ash stick out with the fuel gas is very low.