Additional / Replacement breast shield set suitable for Spectra 3 and Spectra Dew Breast PumpsWhats in the box:1 x Spectra Breast Shield1 x Spectra Tubing1 x Backflow prevention filters1 x ValveBPA freeAll parts that come into contact with breast milk can be sterilized via microwave, electric steam sterilizer or cold water sterilization methods.Do not sterilize the tubing.The tubing can be washed occasionally and dried thoroughly before use in a warm place eg. airing cupboard.DO NOT wash or sterilize the filters.