With size #4 Twist-It Stoppers you get three stoppers in one! Two simple twist-off seals permit easy conversion from a solid to a one, or two-hole stopper.
Twist-it stoppers have soft, resilient, natural white rubber and demonstrates exceptional aging characteristics. These stoppers withstand repeated autoclaving.
Sold as a pack of two stoppers.
Fits these Test Tubes:
Twist-It Stopper Dimensions...
| Stopper Size |
Top Diameter |
Bottom Diameter |
Length |
|
| mm |
inch |
mm |
inch |
mm |
inch |
|
|
24 |
7/8" |
18 |
45/64" |
25 |
1" |
|
|
26 |
1-1/32" |
20 |
25/32" |
25 |
1" |
|
|
27 |
1-1/16" |
23 |
29/32" |
25 |
1" |
|
|
32 |
1-1/4" |
26 |
1-15/64" |
25 |
1" |
|
|
37 |
1-15/32" |
30 |
1-3/16" |
25 |
1" |
|
|
41 |
1-19/32" |
33 |
1-5/16" |
25 |
1" |
|
|
45 |
1-25/32" |
37 |
1-15/32" |
25 |
1" |
|
|
50 |
1-31/32" |
42 |
1-21/32" |
25 |
1" |
|