Duotight Push-In Fitting - 8 mm (5/16 in.) Tee

Duotight Push-In Fitting - 8 mm (5/16 in.) Tee

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This Duotight fitting makes it easy to split your gas line and run it to multiple kegs. Use one tee for a dual tap kegerator or two tees for a triple tap. You can also pair the tee with the Push-In Pressure Gauge to use the gauge with the BlowTie Spunding Valve. Compatible with EVABarrier 8 mm OD Tubing (D1717 & D1718).
Duotight fittings are high-quality push-in fittings that seal tight and offer superior sealing capacity due to the double O-ring sealing design.
High Performance Double O-Ring Design:
The secret to Duotight’s superior sealing performance comes from the fact that they use not one, but two high-quality EPDM O-rings.  The double O-ring means they have literally twice the sealing surface when compared with other push-in fittings.  This makes them more reliable and significantly reduces the chance of leakage.
The double O-ring system also means that tubing can be bent at a much tighter radius without causing leaking issues, which can be an issue with other fittings.  This combination of factors makes Duotight the most reliable push-in fittings on the market.
EPDM offers excellent chemical resistance for a longer life span. When compared with silicone and vinyl, EPDM has much better gas transmission rates, better wear resistance, and is BPA-free.
No Clamps Necessary!
We recommend cutting your tubing straight, not on an angle, to ensure the line forms a complete seal. To remove the fitting simply push in the collet and the hose can be removed.
  • Insert tubing and firmly push to connect
  • Easily release tubing by pushing in the collet
  • Suitable for both gas & beverage applications
  • Made from food-grade acetal plastic
  • Double O-rings made from highly chemical resistant EPDM
  • Locking teeth made from stainless steel
  • Pressure rated to 150 psi
  • Temperature rated to 212°F (100°C)

Please note: exposure to chlorine will degrade the acetal plastic and stainless steel these fittings are made from. Do not use in contact with bleach or other chlorinated cleaning chemicals.

Kegland Part number: KL02387

Item # DUO109
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.05 LBS
Community Q&A

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Why did you choose this?
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Like duotitght switching to multiple CO2 regulators like this product
Mike on Oct 27, 2021
Albert L on Sep 14, 2021
Like duotitght switching to multiple CO2 regulators like this product
Mike on Oct 27, 2021
Adding another tap
Jason W on Sep 21, 2021
Albert L on Sep 14, 2021
Add pressure gauge after flow stopper
Kurt H on Aug 28, 2021
For a dual keg gas line.
Steve G on Aug 24, 2021
Pressure fermentations and transfers
Will A on Aug 4, 2021
Setting up a kezzer and it's the cheapest solution for multiple gas outlets.
Christian Aguilar on Jul 8, 2021
It's a tee fitting
Victor B on Jun 10, 2021
Fits with other duotight fittings I already have.
Roy V on Jun 10, 2021
These fittings are outstanding.
Robert J on Jun 9, 2021
Want extras
Nicholas C T on Jun 3, 2021
Part of a Duotight Secondary Regulator build.
Tysen Bibb on May 29, 2021
Just started using Duotight products and they work really well!
Chris Dornbach on May 21, 2021
simple fast connections
Brandon M on May 19, 2021
In order to split a single regulator into two kegs for serving two kegs at one time
Timothy s on Apr 6, 2021
matches existing fittings
Michael L on Mar 5, 2021
new gas system
Andrew H on Feb 26, 2021
share gas line
David F on Feb 24, 2021
Upgrade beer fridge from old to new split gas line
Gregory K on Feb 20, 2021
converting to all duotight - new gas distribution
Andrew H on Feb 12, 2021
Good brand
Jack C on Feb 11, 2021
David S on Feb 11, 2021
Tee fitting to connect multiple in-line regulators.
Daniel W on Feb 9, 2021
Reworking my keezer. Occasionally carbonate an extra gallon of mead.
Scott T on Feb 3, 2021
Convenience separating tubing
Brett C on Feb 3, 2021
Hose party.
Brian S on Jan 7, 2021
new keg, neet connections
Matthew Sabin on Dec 29, 2020
Best deal outside of Australia
Ken S on Dec 24, 2020
works nice
MICHAEL E. on Nov 21, 2020
The tees that should have been included with my Konos were missing. The gas side was not assembled and the lines and tees were missing. Then they gave me 9mm tees instead of 8mm
Marvin Altman on Oct 20, 2020
Converting Gas/Liquid lines to Duotight Fittings
Sean K on Oct 13, 2020
Quality of prior orders
Thomas on Sep 18, 2020
I have a dual kegerator and need this for C02
Zachory T on Sep 18, 2020
To add a dedicated CO2 line at the kegerator for a counter pressure bottle filler
Jason T B on Sep 3, 2020
Ease of transfer
Jeff H on Sep 3, 2020
Changing my equipment for my kegerator.
Mike D on Sep 2, 2020
Wanna try it out
Shaun J on Jul 22, 2020
Ease of use. Better connector
John Z on Jun 25, 2020
Adding 4 Secondary Regulators to my keezer and I needed 1 more to finish plus I have 1 secondary needed in the future, so I am planning ahead.
JC on Jun 21, 2020
Replacing a 4-way manifold with a duotight version
Michael B on Jun 13, 2020
go with the EVABarrier tubing, add quick connection
Gregory G on Jun 12, 2020
Part of DuoTight manifold build
Joseph M on Jun 12, 2020
I'm tired of messing with hose clamps worrying about leaks and cutting off tubing when I need to replace it
Matt Brassel on Jun 11, 2020
no urgent need, but I am converting to all duotight and got these as "just in case"
Matthew S on Jun 6, 2020
converting kegerator
Anthony M on Jun 5, 2020
ease of use for building four way secondary regulator
Thomas Parshall on May 20, 2020
make a gas manifold
Dan P on Mar 13, 2020
Michael D on Jan 29, 2020
just to have them on hand
steve geer on Dec 12, 2019
To use with the BlowTie
Keri L on Nov 1, 2019
Adding another tap
Jason W on Sep 21, 2021
Add pressure gauge after flow stopper
Kurt H on Aug 28, 2021
does this item include the 3 pieces of tubing pictured or is it just the gray fitting?
Dominick Dufner on Aug 7, 2020
BEST ANSWER: Just the fitting is include. The tubing is extra. Make sure you insert a nice round piece of tubing. Tubing that has been bent or formed around too tight of a radius may have a set in an oval cross section and will not seal reliably.

4.8 / 5.0
5 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
Love it. Switching over to duotight type fittings. I ordered a couple this last time but one doesn't grab on to hose just pulls back out. Im sure its just bad fitting but overall love em. All others work excellent!!
User submitted image
Added Mar 2, 2021
March 2, 2021
9 months ago
Rated 5 out of 5
Quickly measure (twice), cut tubing once, press in to connect and create your plumbing masterpiece. 10 for 10 on one-step connections with no leaks.
February 26, 2021
8 months ago
Rated 5 out of 5
Work as advertised. Easier to deal with than barbs.
February 14, 2021
9 months ago
Rated 4 out of 5
Duotight is a great way to go if you're just getting into kegging!
I used Duotight Tees and Duotight FFL (Flare) fittings in my keezer project. They are easy to use. I suggest you get the tool to cut the tubing line square and seat the tubing completely in the fittings - (I used some Star San to lubricate the tubing for insertion). They will work great unless you're turning a very sharp curve - avoid those. Best of all, you can disengage the fittings and reuse them. Great stuff...the cutter is the only special tool needed.
July 12, 2020
1 year ago
Rated 5 out of 5
Easy to use. Works well.
January 28, 2020
1 year ago