Filter Needle
Also known as: filtered needle · blunt filter needle
A needle with a built-in filter used to draw from an ampoule or vial, trapping glass shards or particulates.
A filter needle contains a fine mesh filter in its hub that traps particulates — most importantly the tiny glass fragments created when an ampoule is snapped open — as the solution is drawn up.
It is used for drawing, then swapped for a plain needle before dispensing, so the filter is not pushed through. It is a small but standard part of clean handling technique.
RELATED TERMS
Ampoule
A sealed single-use glass container snapped open at the neck — an alternative to a stoppered multi-use vial.
Vial
The small sealed glass container, capped with a rubber stopper, that peptides are supplied and reconstituted in.
Sterile Technique
The practice of avoiding contamination when reconstituting and drawing from vials — wiping stoppers, single-use needles.
Insulin Syringe
A fine-needle syringe marked in units (100 units = 1 mL) used to measure small reconstituted peptide volumes precisely.
Educational content, not medical advice. All products supplied for research purposes only — not for human consumption.