6in PVC layerd with activated carbon pattys...I want to cut round dick out of the sheets of carbon and layer them in a tube as an in line filter my fan speeds are 190 on low and 330 on high my box is 4'x2'x2'
DISK........disk. .....D...I....S....K. I want to fill a tube with carbon sheets as a scruber...inside my air ducts on my exaust