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5 Piece kit Wix 24003 / Napa 4003 K cup filter Retainer (No Spacers)

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  • 5 piece kit shown with (Caps and Tube) not included. Caps sold separately.
  • 5 piece kit shown with (Caps and Tube) not included. Caps sold separately.
  • End Cap sold separately.
  • Image 4
  • Image 5
  • 5 piece kit shown with (Caps and Tube) not included. Caps sold separately. Filter elements are also sold separately.
  • 5 pieces will fit perfectly and are captured by our caps with no end play of parts in tube when assembled.
  • Cheap 100% biodegradable elements can be used to make solvent recovery a snap.
Twin Tech Tactical

 Product Description




These (K-cup coffee filter) style retainers hold 100% biodegradable EZ-cup disposable paper filter elements and make solvent recovery cleaner and more economical than buying expensive Wix 24003 or Napa 4003 replacement filters for your solvent recovery system. They are CNC machined form T6061 aluminum and held to the closest tolerances so that five pieces can be stacked inside a wix tube and be captured tightly by our end caps with no rattle. (End Caps and outside tube are not included in this kit)

This Kit is for 5 pieces of part # (24003KCFE1) filter element retainer with no spacers.

A kit with 2 spacers and 3 retainers is also available Click Here for more info.

Parts may also be purchased individually so you can stack them how ever you want. Click Here for more info. 


These parts are perfectly legal to own and use as (solvent recovery filter retainers). However, if you modify these parts by drilling the center hole thru where a bullet may pass thru, the ATF may consider that intent to build a suppressor. All NFA rules apply if the intent of the purchaser is to modify these parts for the use of building a homemade suppressor. You must first file your Form 1 and all supporting documentation with the ATF and wait for their approval before any modification to these parts is performed. You should also know your local laws if your intent is to build a suppressor.

Please keep your questions to us about this product relative to solvent recovery and filtering only. We will not answer questions on how to modify and use these parts as suppressor baffles period!



BUYER UNDERSTANDS THAT THESE PARTS ARE NOT SUPPRESSORS AND OR SILENCER PARTS IN ANY WAY SHAPE OR FORM.  Buyer fully understands that they waive their rights to ANY claims against Twin Tech Tactical for ANYTHING. These parts are sold for the intended purpose of cleaning firearms and solvent storage ONLY! In other words Twin Tech Tactical is not responsible for how these parts are used or modified after you receive them. Any modification to, or misuse of our parts is the sole responsibility of the purchaser. Twin Tech Tactical and its employees are not responsible for the actions of their customers or the manner in which they use our parts and will NOT accept any liability in any way morally, legally, or financially. These parts are legal to posses and use as sold, and we assume and expect that all of our products purchased by you are used for their intended purposes only and discourage any modification or misuse of any kind.

By purchasing our products you agree to the Terms of this website.

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 Product Reviews

Showing reviews 1-10 of 26 | Next

  1. Best cup of coffee ever

    Posted by Dwayne on May 4th 2018

    Filter fit just fine. Quietest Brew every. No stains and easy to assemble.

  2. 5 piece k-cup kit

    Posted by Kenny on Apr 22nd 2018

    You couldn’t ask for any better machine work. These cups were made perfectly. I put four of them in my tube and one spacer screwed on the end caps and there was no rattle everything fit nice and tight. Awesome product guys keep up the good work

  3. Excellent

    Posted by Andy Hall on Apr 19th 2018

    Very Nicely made ... solid

  4. Great product and fast shipping!!

    Posted by justinvdk@yahoo.com on Apr 12th 2018

    Very good quality work here

  5. Solvent Cleaning made easy

    Posted by Unknown on Apr 12th 2018

    Very pleased with produc I ordered, makes cleaning alot easier. I would recommend this product to a friend.

  6. Quality

    Posted by Unknown on Mar 19th 2018

    Solid, well made quality part

  7. Best catch trap ever

    Posted by Unknown on Mar 3rd 2018

    Awesome that you can use inexpensive coffee filters to trap the debris coming out of the weapon. Great innovation.

  8. Precision parts!

    Posted by Unknown on Jan 21st 2018

    These parts are definitely precision-made they do exactly what they're supposed to do. Everything that I have bought from Twin Tech Tactical has been five star! Could not be any better.

  9. Traps everything

    Posted by Unknown on Nov 28th 2017

    It works great i shoot my 223 alot hunting pigs and have a finakey gun when it gets dirty causing it to shoot where ever it pleases i swear

  10. Awesome stuff

    Posted by Unknown on Nov 28th 2017

    Fits perfect nice tight fit well made will be buying another set
    They work better than I expected awesome stuff

Showing reviews 1-10 of 26 | Next

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