| 摘要 |
Filter cartridge for filtering air and water dispersed by a dental syringe; the cartridge being a cylindrical member divided into two lengthwise spaces, one filled with water filtering material and the other filled with air filtering material; the cartridge having a barbed prong coupler from each lengthwise space for coupling to a flexible hose support for air or water, respectively; the cartridge having two female recesses for joining each of the two lengthwise spacers separately to barbed prong couplers on the dental syringe.
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