Product overview Replaceable filter cartridge For use with Vacu-Aide QSU 7314P/7314D aspirators Suitable for single-use secretion containers If used with a single patient: replace after 2 months 1 piece DeVilbiss Bacteria Filter Cartridge Replaceable bacteria filter cartridge for use with the Vacu-Aide QSU 7314P and QSU 7314D aspirators. The bacteria filter must be replaced at least every 2 months if being used by a single patient or in the event of an overflow. Please note: If the aspirator is being used for multiple patients, then it is necessary to use a new bacteria filter cartridge for each patient. Product Details Bacteria filter for use with the Vacu-Aide QSU 7314P and 7314D Not for reprocessing Replace for each patient For single patient use: replace every 2 months or when secretion container overflows Only for use with the single-use secretion container 1 piece