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Universal Rubber Stopper - Size #10 (With Hole)

Universal Rubber Stopper - Size #10 (With Hole)

In Stock
60 day no hassle return policy. Details

Universal stoppers have a longer taper to help produce a better fit and a snug seal, and a lip which prevents them from falling into your container. Available with a 3/8 inch hole for an airlock, or solid with no hole.

#10 size is recommended for PET carboys.

Item # FE502
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.07 LBS
Community Q&A

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Need a new one
Tannis Bush on Mar 6, 2020
Gordon G on Feb 19, 2020
Need a new one
Tannis Bush on Mar 6, 2020
Like the lip design im always scared my normal stoppers will fall in
Reed Harrison L on Feb 25, 2020
Gordon G on Feb 19, 2020
Easiest to use
John T on Jan 6, 2020
Justin a on Jan 1, 2020
Valued C on Dec 31, 2019
Recommended by More Beer.
Tom S on Dec 4, 2019
need for this lid.
John F on Nov 19, 2019
works the best
Kevin Daniel L on Nov 12, 2019
it works
Ryan P on Oct 28, 2019
These have worked well in the past.
Gary Nalavany M on Oct 22, 2019
Online video
jeremy g on Oct 7, 2019
I forgot to get it when I purchased fermonster
Sean M on Sep 9, 2019
Need it for the Better Bottle
Michelle T on Sep 5, 2019
Recommend to work with Fermonster
Colby Bullock on Aug 28, 2019
Always nice to have extras
Ethan C on Jul 19, 2019
apparently it's necessary for the fermenter?
Andy S on Jul 10, 2019
Mark F on Jun 24, 2019
To fit a Better Bottle
Brandon W on May 30, 2019
Fermenter part
Jason H. on May 13, 2019
Don't have enough of this size - fits the Fermonster lid
Rob W on Apr 18, 2019
to use with carboy
Patrick L A on Apr 10, 2019
best reviews
Dave on Apr 6, 2019
to go with the fermenter.
Steven H on Apr 4, 2019
need it
Merrilee B on Mar 5, 2019
need it
Kenneth C on Mar 4, 2019
To upgrade the stopper that came in my kit.
Alex Perkins on Aug 12, 2018
Always handy to have extras for my better bottles.
Michael Beattie on Jul 10, 2018
I am hoping this will be a better stopper than the one that came with the kit I purchased.
Ryan S on Jul 4, 2018
Looking for a better seal than traditional stopper.
Gene on May 31, 2018
Perfect fit for the FerMonster Carboy
Michael T on May 10, 2018
Matches the FerMonster
Nathaniel W on Feb 16, 2018
fits the fermonster
Don R on Feb 15, 2018
Saves a couple inches of height vs a carboy hood.
Tysen Bibb on Feb 8, 2018
Using these for side by side brewing comparisons
Jeff R on Jan 27, 2018
needed with fermonster
Alexander P on Jan 22, 2018
Better bottle stopper
Chris G on Jan 19, 2018
Fits FerMonster Carboy.
Douglas I on Jan 15, 2018
Like the lip design im always scared my normal stoppers will fall in
Reed Harrison L on Feb 25, 2020
Easiest to use
John T on Jan 6, 2020

3.4 / 5.0
5 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Works good for 10-15gallon barrel bungs
I have a few misc sized barrels with medium bungs that tend to accept #10 - #10, I started buying these because it was obnoxious to figure out what bung goes where, when these are universal. Also fits my Fermonster just fine. Good to have a couple in the brew house.
January 2, 2020
Necessary to use this carboy as a fermenter
The hole in the lid is a size 10 so you need this stopper and it works great with almost any airlock
September 13, 2019
7 months ago
Doesn't Seal in FerMonster
The material is either too hard or too slick (or flexes too much) to consistently seal in a FerMonster lid. Normal fermentation pressures cause the CO2 to leak around it. Use the standard solid #10 stopper instead
November 19, 2018
1 year ago
The material is too hard to form a good seal. If you're looking for an upgraded stopper, this isn't for you.
Go with the standard #10 stopper if you want to go cheap, or use a breathable silicone if you want quality & convenience.
October 5, 2018
over 2 years ago
It works
If you have PET carboys you need a stopper like this or a carboy cap/hood. If you're going to dry hop your beer and/or use a racking cane to transfer these are a little easier to work with. They fit snug and do the job.
October 2, 2018
over 2 years ago