Hudson RCI Nipple and Nut Hose Adaptor

Question: Are these Nipple and Nut Hose Adaptors for single patient use or single use only? In other words, can it be used over for the same patient, or does it need to be disposed of after using once with that patient?
Thank you.

Question: Can you please tell my if these Nipple and Nut Hose Adaptors are for single patient use or multiple use.

Question: IS THIS PRODUCT SINGLE PATIENT USE