It took me two years to buy these filters. I first email the seller through craig's list early may 2009 an it's almost may 2011. Drove 6 hours round trip to pick them up. The larger system will fill the bed of my Tacoma. Renting an enclosed trailer from uhual. They are completely turn key plug and play.
6 cubic foot Alpha One system. Rated for 17,000 gallons and 300 pounds of fish.
Another angle.
2.5 Cubic foot Alpha One system good for 5,000 gallons or 125 pounds of fish.
Side View.