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5 Piece kit Wix 24003 / Napa 4003 K cup filter Retainer (With 2 Spacers)

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  • This kit is sold with 3 filter element retainers Part # (24003KCFE1) and 2 spacers Part # (24003KCS1).
End Caps are not included and are sold separately. Wix tube in photo also not included.
  • Spacer Part # (24003KCS1)
  • Filter element retainer Part # (24003KCFE1)
  • Filter element retainer Part # (24003KCFE1)
Twin Tech Tactical

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 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 the 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 3 pieces of part # (24003KCFE1) filter element retainer and 2 pieces part # (24003KCS1) spacers.

A kit with 5 filter retainers and no spacers 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 product you agree to the Terms of this website.


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 Product Reviews

  1. Twin tech nails it, as usual

    Posted by Unknown on Feb 3rd 2017

    Fit snugly and do a great job.

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