No. 5 stoppers fit standard 125-mL flasks; no. 8 stoppers fit 1-L flasks. Order no. 8B stopper 02924-02 separately at right to fit filter holders 02920-00 and 02921-00 to manifolds above. Filter holder 02923-10 is ideal for sterility testing of antibiotics and pharmaceuticals by bacteria retentive method described in USP XXI. This model includes silicone funnel cover, borosilicate stopcock, silicone tubing for connection to sterile buffer, and SS vent needle with 13-mm SS filter holder. Model 02923-20 with sintered-glass membrane support meets EPA specifications for use in the Hazardous Waste Toxicity Test. Holder 02923-00, with stainless steel (SS) membrane support, provides ultraclean filtrate—screen does not shed particles.
Filter holder, 02923-00, with stainless steel (SS) membrane support provides ultraclean filtrate—screen does not shed particles.
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