The Zomee Z2 Replacement tubing set is designed and tested to work specifically with your Zomee breast pump. This set can be used as a convenient spare or replacement for worn or damaged tubing. All Zomee breast pump parts and accessories that come into contact with breast milk are made without BPA, in FDA compliant facilities. We strive to provide the safest and reliable breast pump accessories for moms, so breastfeeding can be hassle free. All Zomee breast pump parts should be sterilized or washed with warm water and soap. Properly assembling your breast pump parts and accessories is essential to get the ideal performance while pumping.