I wanted to purchase a pump to replace the hospital pump I was renting. I must have read over 100 reviews before I talked myself into spending the money on this pump. When I finally did I could not have been more disappointed. With the pump set at max settings I could not get any milk to come out. Fortunately when I contacted the Supplier I bought it from they allowed me to send it back to them and upgrade to the Pump in Style Advanced. That is a wonderful pump.My best advice is, if you try renting a hospital pump and want something similar get the pump in style ADVANCED. It is more similar to the hospital grade one.