A simple ve piece kit that enables you to convert a breast shield of any size into a manual pump. A useful addition alongside your electric breast pump. Additional information Especially handy if you own a Forte breast pump as this does not have an inbuilt rechargable battery like the Allegro and Minuet pump do. This is also handy to have in case you damage a part to your pump and need it repaired. This will enable you to continue pumping while waiting for your part to arrive.