Will this work on a 2 inch still column

It should. Fits the inside of 2" type L copper quite well.

what are the dimensions how about showinf descriptios and then i do not have to wait?

The top diameter is 2 13/64 " (56mm) the bottom is 1 7/8 " (48mm) The length is 1 " The hole is 3/8 " diameter

I have an antique 13 gallon carboy. the opening is 2” wide. which rubber stopper and airlock should i use? or should i do a blow off tube?

This rubber stopper #11 will fit your antique 13 gallon carboy. For the other 2 questions I would follow WisJim advise in his answer.

What’s the diameter of the center hole?

Thank you. The center hole is 3/8in diameter.

Rubber Stopper Size 11 Drilled

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€ 17.38

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔒 Seal the Deal with Confidence!

PERFECT FIT - Designed for Size 11 applications, ensuring a snug seal.
AIRLOCK READY - Drilled hole allows for optimal airlock functionality.
VERSATILE USE - Ideal for various laboratory and home brewing applications.
DURABLE MATERIAL - Crafted from high-quality rubber for long-lasting use.
LIGHTWEIGHT DESIGN - Weighs only 0.4 lb, making it easy to handle and transport.

This Size 11 Rubber Stopper features a drilled hole for airlock applications, weighing just 0.4 lb, making it a lightweight and essential tool for both laboratory and home brewing needs.

Specifications

ASIN	B006O2D58W
Best Sellers Rank	#329,177 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #341 in Lab Rubber Stoppers
Brand	RiteBrew
Brand Name	RiteBrew
Color	Silver
Customer Reviews	4.6 out of 5 stars 102 Reviews
Global Trade Identification Number	00696737337399
Included Components	See Item Description
Manufacturer	Home Brew Ohio
Manufacturer Part Number	4632
Material	Rubber
Material Type	Rubber
Model Number	4632
Number of Items	1
UPC	696737337399
Unit Count	1.0 Count

Reviews

C**A

Sturdy

I use this in an automotive garage as a vacuum pump adapter. The rubber seems to hold up fantastic to all sorts of car chemicals. Oil, brake fluid, brake cleaner, coolant, etc.

1.08.2021

R**E

Quality Stopper

Description was correct, shipping prompt, This product worked fine.

7.06.2023

P**N

Yep, it's a rubber stopper

It is a rubber stopper with a hole in it, good for making a large hole into a smaller hole. No clue why Amazon demands so many words in a review.

13.01.2014

F**K

It's a stopper

It's rubber, and stops holes in bottles, and fits an airlock.

11.09.2018

B**W

Perf

Fast shipping and good quality product

8.03.2019

K**R

Fits and good quality rubber

Fits a size 11 flask perfectly and seems to be good quality rubber

15.03.2017

A**E

Five Stars

item exactly as dуscribed, arrived it time.

22.04.2015

S**D

Five Stars

perfect fit for my 15 gallon demi-jon

18.10.2014

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