culminate discharge is for compact spaces where water removal is needed laundry tubs, window wells, buckets, bathtubs, etc.. Side discharge is for slowly water removal from lodging afford surfaces : lodging roofs, flooded basements, standing water in yard, shower stalls, etc. 30 ft. Max head removes water down to 1/16 in. Of surface, virtually ! . multi-ring suction strainer filters, and minimizes clogs .