Chat got said they are single use, surely you dont spend 2.40$ just for the drawing/filter per injection?This is the one you want for gear:
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B. Braun Mini-Spike® filter, 5 μm particle filter & syringe. Altruan
B. Braun Mini-Spike for a slight removal & addition of pharmaceuticals through optimal pressure compensation, reduced risk of contamination. With integrated, bacteria density 0.45 µm ventilation filter, with integrated 5 µm particle filter, which holds particles> 5 µm back. B. Braun article for...altruan.com
There are others that may be better. but we're having a hard time sourcing them in the US.

