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UltrafiltratesystemforCostarTubes(50ml)ThisisanultrafiltratesystemforusewithCostar50mltubesandMilliporefilterof0.45umand25mmdiameter.Thissystemcanbesterilizedwithgas,alcoholorultravioletlight.TheideaistokeeptheliquidsterileallthetimeandnothavetopassitfromasterilecontainertotheCostartube.Thedesignismadetobeeasilyprintedandassembledusingonlyepoxyglue.AnotherextramaterialisanO-ringof25to27mmindiameter.Instructionsforassemblyanduseareinthe"Instructions.pdf"file.3Dprint: I used these parameters.Plastic acrylonitrile butadiene styrene (ABS) of 1.75 mm diameter. Fill density 90%, thick shells, layer height 0.2, slow print speed.Assembly:
1 Placetheringinthetube.
2 Gluethecupwithepoxyglueasindicatedbythearrow(thethreeelementsform
thebody1).PlacetheO-Ring.
3 GluethestrainerontotheCap(thetwoelementsformthebody2).
ModeofUse:
1 Screwbody2ontotheCostartube.
2 Insertthefilterpaper.
3 Screwbody1tobody2.