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Filter Cartridge Needles & Why Use Them

Women’s Crew Neck Tops


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Filter Tattoo Cartridge Needles Assorted
50Pcs #12 Mixed (3RL 5RL 7RL 9RL
Note: As an Amazon Associate, I earn from qualifying purchase

“Filter” cartridges (also called membrane, anti‑backflow, or barrier cartridges) include a membrane inside the cartridge that helps prevent ink or bodily fluids from flowing back into the needle system or machine. This improves hygiene and reduces contamination risk. EZ TATTOO SUPPLY+2EZ TATTOO SUPPLY+2

They are basically disposable, single‑use cartridges that combine the needle and tip in one unit. You install the cartridge and remove it when done.

Assorted packs give you a variety of types (liners, shaders, magnums, etc.) so you have multiple options in one purchase.


Key Specifications & What to Check Before Buying

When you examine a listing or supplier, make sure to verify:

Spec / FeatureWhy It MattersWhat to Aim For
Needle classification (RL / RS / RM / M1 / Curved Magnum etc.)These determine whether the needle is for lining, shading, magnums, etc.A good assorted pack usually includes a mix (e.g. 3RL, 5RS, 7RM, 9M1 etc.)
Gauge / DiameterFiner gauges (e.g. 0.25 mm, 0.30 mm) vs standard (0.35 mm) influence how fine or bold lines can be.Many filter cartridges use ~0.35 mm; if you need finer or coarser, ensure it’s specified.
Sterilization & packagingFor safety and hygiene, they must be sterile (often via EO gas) and individually sealed.Look for “EO sterilized”, “individually packaged / sealed”.
CompatibilityNot all cartridges fit every machine; the housing, snap, or fitting must match your tattoo gun or pen’s cartridge grip.Standard universal cartridge fits are most flexible; some systems (e.g. rotary, proprietary) require specific types.
Material / Build qualityTip material, needle steel quality, and housing design (smooth edges, low profile) matter for performance.316L stainless steel needles, smooth plastic tip bodies, well‑finished edges. Many “Filter” cartridges advertise these. Amazon Singapore+2EZ TATTOO SUPPLY+2
Anti‑backflow / membraneThis is the “filter” feature — helps prevent fluid from going backward into the machine.Many “filter cartridges” mention “filter / membrane system” in descriptions. EZ TATTOO SUPPLY+1
Assortment contentThe mix of types & quantities in the packE.g. “50 pcs assorted — includes 10 pcs each of 3/5/7/9/11 RL” (example) Amazon+2Carrefour UAE+2

Example Products / Packs You Can Consider

Here are some real example listings to help you get an idea of what’s available (you’ll need to check if they ship to your location or via import):

  • EZTAT2 50pcs Assorted Filter Tattoo Cartridge Needles (Regular Magnum set 5M1, 7M1, 9M1, 11M1, 13M1) — Medical grade stainless steel, membrane system, individually packaged. Amazon Singapore
  • EZ Tattoo Cartridge Needles Assorted 50pcs #12 Mixed (3RS, 5RS, 7RS, 9RS, 11RS) — mixed round shader set, anti-backflow design etc. Amazon
  • EZ Filter / EZ Tattoo Supply “Filter Cartridges” line — you can choose specific styles (Round Liner, Curved Magnum etc.) from their catalog. EZ TATTOO SUPPLY+1
  • EZ Tattoo Needle Cartridges Assorted 100pcs #12 Mixed (various RL, RS, RM types) + aluminum grips — good as a bulk starter pack. Daraz
  • BIGWASP 50pcs Assorted Disposable Cartridge Tattoo Needles (3RS, 5RS, 7RS, 9RS, 11RS) — a known brand; shader mix. Amazon

Tips & Precautions for Buying & Using

  • Always ensure single use. Never reuse cartridges on different clients.
  • Proper disposal is important — treat used cartridges as biohazard sharps.
  • Test on synthetic skin or practice sheets first to check flow and compatibility.
  • Store in a clean, dry environment to prevent damage to the cartridges or seals.
  • Check expiration / sterilization dates if provided.
  • If a cartridge doesn’t sit solidly in the grip, do not force it. Poor fit can cause needle wobble or injury.
  • Avoid cheap, unbranded cartridges that lack proper quality control — many tattoo artists warn of bent needles, poor flow, or contamination with those. (One user commented about “shitty needle = poor tattoo result”) Reddit
  • Buy from reputable tattoo supply houses when possible (rather than generic sellers) so you can trust quality.
  • Verify local regulations / import rules in your country regarding tattoo needles / supplies.

If you like, I can look up filter cartridge needle assortments that are in stock in Pakistan (or that ship cheaply to your city), with links and prices, and send you a shortlist. Would you like me to find those for you?

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