Can be operated in vertical or horizontal position; 5-stage filtration process; Pre-filtration; Carbonate hardness adjustment; Fine filtration; Carbon block removes harmful contaminants & unpleasant odors & tastes; Removes particles to 5 micron; .50 gpm service flow rate, rated for 400 gallons for espresso applications & 450 gallons for ocs/coffee applications based on water hardness of 180 pmm w/standard bypass settings; 29-116 psi (2-8 bar) pressure requirement; Temperature 39°-86°F; 12.39" H x 3.74" W; One year limited warranty