Activated carbon isn't cheap.... I'd look for one with reasonably priced replacements. I used to maintain large commercial purifiers that had refillable activated carbon cells and I bought the material in bulk. Craig
2012 Dodge 3500 DRW CCLB 4wd, custom hauler bed.
2008 Sunnybrook Titan 30 RKFS Morryde and Disc brakes
WILL ROGERS NEVER MET JOE BIDEN!