i think its a matter of your ability and how deep your pockets are. Theres DIY systems out there..(route i took), then theres the V3 systems. Also, for home filtering, theres an assortment of ways, mine being the 2-55gal barrels with the pressure centrifuge installed in one, or theres the raw power centrifuge..(1500-ish bucks),...etc.

HAve you done any homework yet?