As the unit is compatible with many wide necks bottles and comes with a bottle adapter that enables me to convert into a standard bottle, I couldn't be happier. (electricbreastpumpwomen.com)
The bottles are exceptionally easy to clean, with wider neck openings that allow thorough hand cleansing. (babygearspecialist.com)
Wide neck of the bottle also make them easier to clean and fill with milk or formula. (babygearhub.net)