I worked on this filter last night, and I think came out good.
This is not a tutorial or a how to, its just a How I did it!!
materials
6" duct cap
6" to 5" reducer
8" to 6" reducer
8" duct cap(could not find it) had to make from scratch
2x5 hardware cloth
duct tape
weather srtipping
hose clamps 6 x 4" , 2 x 2"
extra large panty hose
dust filter got a roll from work
Total with carbon 80$
I started with a 8" pvc pipe
cut a ring about 1 1/2" wide
then got a piece of this white plastic from work and traced the inside of the ring
cut it with a saw then grinded it to a smoth round and epoxy'd together
fill the 8" cap with the filter material. this will act like a spring or a lock washer at the end
wraped the wire around the the cap did this for both the 6 and 8 and clamped it
wrapped both cores with panty hose and held it in place with duct tape
wrapped the bottom sides of the 6" core with filter to keep an even space between cores
placed 6" to 5" reducer in the the 6" core after wrapping it with duct tape and wether stripping at the point in wich the inner an outer meet to make a seal.
filled space in between cores with carbon
left about a inch from top without carbon.when done filled the top part with filter untill the space its filled
placed 8"to 6" reducer in very tight and held it with tape and clamped it
almost done
final step. wrapped dust filter around outer core and secured it with tie wraps
done!!
works like a charm. smoked
right next to it and there was no smell coming out the other side
