Maymom Bottle Thread Changer for Lansinoh Pump to use Standard Bottle Compatible with Medela Bottle 4pcs

4pc Maymom bottles thread changer compatible with Lansinoh SignaturePro Double Electric Breast Pump and enable it to be compatible with Medela bottles Easier to screw onto both the Lansinoh widemouth flanges and the standardsized bottles Made by Maymom BPADEHP FREE Steam Bag safe Complies with US FDA regulation for plastics that contact foods Allow Lansinoh and Pigeon widemouth flange to use with standard sized bottles like medela bottles ameda bottles and Dr Browns bottles NOTE will not fit wide mouth Dr browns bottle to replace the wide mouth Lansinoh bottles Complies with US FDA regulation for plastics that contact foods