25 x 1/4″ Cole Palmer Male Luer Lock Disconnects + Making a CO2 Utility Line

Cole-Parmer Male luer with Lock Ring x 1/4" Hose Barb, Nylon, Pack of 25Cole-Parmer Male luer with Lock Ring x 1/4″ Hose Barb, Nylon, Pack of 25

More Info

From the product description, check product page for current description, price and availability:

  • Product Type: luer fitting
  • Material: nylon
  • Qty/pk: 25
  • Number of items: 25
  • Package quantity: package

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.


Luer Locks disconnects are generally used in medical and industrial applications.  Compatible male and female Luer Locks twist together to make a airtight, pressure capable connection.

I use Luer Lock style connectors for a CO2 utility line for my draft system.  That allows me to quickly and easily switch between a number of CO2 utility attachments that I don’t use on a day to day basis.  The reason I chose Luer Locks is that they are generally inexpensive.  You could also use these as a primary disconnect for your CO2 system.

These Luer Locks are made by Cole Parmer.  They feature 1/4″ barbs to connect to compatible tubing.  I asked the manufacturer for the PSI rating of these disconnects.  I was told… “Thank you for your email. the fittings AO-45502-20 and AO-45505-19 are male and female fittings and compatible. The Psi rating for these fittings together is 100PSI”.

Related: Making a Utility CO2 Line using Luer Lock Disconnects

Cole-Parmer Male luer with lock ring x 1/4″ hose barb, nylon, pack of 25 – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Also: Cole-Parmer AO-45502-20 Female luer x 1/4″ hose barb adapter, Nylon, 25/pk

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