AVENT Twin Electric Breast Pump. Our gentle electric breast pump is so effective that it's clinically proven to express similar amounts of milk as compared to a hospital grade electronic pump. Designed for Comfort.Unique active massage cushion for optimum comfort.Being stressed or in a hurry can make it more difficult to release your milk and can alsoaffect your milk supply. So feeling comfortable and relaxed really helps. Our pump hasbeen designed to increase your comfort when you are pumping.