Syringe Filters, 0.22 micron

A small disc that screws onto a luer-lock syringe and filters liquid as you push it through.

Last edited 2026-09-28 · written by PepPrep

0.22 micron
Luer-lock

What it’s for

An extra cleanliness step some people use when transferring liquid between vials.

What to check in the listing

0.22 micron is the usual choice. Check it's luer-lock rather than push-on, and that the listing names the membrane — unnamed ones are the ones that tear.

At a glance

TypeFilter

Filter0.22 µmFilter is the pore size: 0.22 µm is the size that removes bacteria; anything coarser is for particles only. Glossary

ConnectionLuer-lock

Used forMixing vials, Nasal spraysUsed for lists the situations this product is for; the decision tool and the Finder match on these.

PriceMid-rangePrice tier is the rough position within its category, not a live price: budget is the cheapest sensible option, premium costs more for a reason the page explains.

TravelCarry-on friendlyTravel says whether it is practical to fly with: carry-on means it goes through security without fuss.

SterileYesSterile means individually sealed and sterile until opened; anything that touches the inside of a vial or your skin should be.

Pack10Pack is how many come in the listing this site links to; it is shown only where every store's listing gives the same count. Check it against the listing, since photos often show ten and ship one.

ReusableNo

Specifications above were recorded from the Amazon listing on 2026-09-03. Listings change hands: open the listing for its current description, price and availability.

If you're not sure which water a vial needs, or how long an opened bottle lasts, read Bac water vs sterile water vs saline (and which to buy) first.

Category: Mixing & Water
Also useful: Build a full kit →

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Syringe Filters, 0.22 micron

What it’s for

What to check in the listing

At a glance

Others in Mixing & Water

Often used with this

Read before you buy