Manufactured from clear and flexible PVC compound free of phthalates, Clearflo® Ag-47 protects liquids from harmful bacteria that can result in taste transfer, odors, and illnesses by incorporating Silver Ion additive throughout. REACH- and RoHS-compliant product, made from non-toxic ingredients conforming to FDA standards, does not contain latex or animal-derived components, is transparent, and handles temperatures from -40 to +125°F. There are 10 sizes ranging from 3/16–½ in. ID.