Retrofiting of a filter or an orifice into a standard connector is avaialable from a company. Offered in sizes ranging from .0004″ through 0.081 in ., the orifices provide filtration from 5 microns and flow rates from less than 1ccm/minute. The company provides ruby and sapphire orifices that withstand harsh enviroments without altering size or accuracy. These orifices are virtually chemically inert and are characterized by hardness and abrasion resistnace. They also will not oxidize in oxygen enviroments, and they are nonporous and nonthrombogenic.
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