With the plunger pumps and the powerful suction power of 300 mmHg, The electric breast pumps simulate the baby's natural breastfeeding rhythm. The gradual and cyclic deep suction empties clogged breasts effortlessly, providing mothers with a painless and comfortable pumping experience. | Moosoo | | Electric Double Breast Pump 9.45 W 180 ml PP Milk Bottle -300 ± 20 mmHg Breastfeeding Pump with 4 Modes and 9/15 | White | Best Buy