Twelve commercial feeders were evaluated in 4 pens of 12 pigs each during the 12-wk growing/finishing period. Feeders were classified according to their feed form (dry vs. wet/dry) and space (single vs. multiple space). In total there were 2 single-spaced dry (SS-D), 3 single spaced wet/dry (SS-WD). Average daily gain and feed disappearance were 5% greater with wet/dry feeders than with dry. The effect of wet/dry feeders on growth was only evident during the final 8 wk of the trial, while feed disappearance tended to be higher throughout. Carcasses of pigs fed from dry feeders yielded a higher lean percentage than did those of pigs fed from wet/dry feeders. Single and multiple space feeders did not differ in gain or feed disappearance at any point during the trial. Feed efficiency did not differ among feeder classes.