Thats pretty cool dude... i really do hate carrying around a 20kg filter!They will work for a few years and Starting at $50 they are cheap as chips. They work awesome for me . Traps all the smell outta the exhaust. I do have can fans carbon filters and i havent noticed any difference between the too
How much you pull from the cm?Only got it on the cm atm . Wont run co2 untill i get the keepers