There is no need for a separate filter pad. Filter unit screws directly onto media bottles. Use only with sterile bottles designed for vacuum use. These should not be used for in vitro diagnosis or parenteral sterilization. Manufactured with a side arm and cellulose vent plug and quick disconnect tubing adapter.
Components are able to be separated.
Receiver can be used to store filtrate. Manufactured with graduations on the upper components and lower receivers. Preassembled and radiation sterilized.