I received this pump as a shower gift. After bringing my baby home I tried it out. I had it set on the highest suction setting and it took forever just to get one ounce. After speaking to a lactation consultant I was told to try renting one of the hospital pumps because they are "industrial".The Playtex pump is fairly easy to assemble, and the carrying bag is nice. I could do without all the extra bags inside though. My pump makes a loud squealing noise when first turned on.Do your homework before making this investment.