A manual breast pump offers you total control of the suction level and pumping rhythm the unique philips avent manual breast pump assures you enhanced efficiency being clinically proven to express more milk than a hospital electric pump. Clinically proven comfort tests carried out on 110 mothers showed a significant preference for philips avent vs a leading competitor more comfort 73 of 73 uk breastfeeding mothers agreed that this breast pump was more comfortable than their current pump main market brands. The philips avent manual comfort pump is really comfortable for expressing the milk without paining in my case the best time of expressing the milk is while nursing it could be expressed easily 80 90 ml of milk within 5 mins rather than expressing without nursing. 1 introducing the manual breast pump the manual breast pump is a breakthrough in breast pump design its silicone diaphragm provides 100 reliable vacuum whilst the let down massage cushion naturally imitates your babys suckling action to provide fast milk flow silently comfortably and gently. Philips avent manual breast pump set with steriliser more comfort more milk pump feed and sterilise the breastfeeding set is ideal for mums who want a full package from pumping to feeding and cleaning up it includes a variety of accessories a manual breast pump steriliser soothers and bottles