Lab Glassware Tube Silicone Stopper Plug Bottle Stopper, Premium, .2-4.2cm

Description:

Made of food safe grade silicone, environmental-friendly and non-

Able to be sterilized at very high temperature over 100 Degrees Celsius due to its silicone material feature

Perfect , and , better than any other rubber or stoppers

Ideal for , household, and industrial use, various demensions to prevent oxygen from wreaking havoc with your fermenting process

Smooth and tapered sides designed for exceptional sealing and optimal fit with a wide range of openings, easy to plug in or pull out, creating an airtight seal

Specification:

2.5-3.4cm Hole:

Height: 2.5cm/ 0.98inch; Top diameter: 3.4cm/ 1.34inch; Bottom diameter: 2.5cm/ 0.98inch

3.5-4.5cm Hole:

Height: 3.8cm/ 1.5inch; Top diameter: 4.5cm/ 1.77inch; Bottom diameter: 3.5cm/ 1.38inch

3.2-4.2cm Hole:

Height: 3cm/ 1.18inch; Top diameter: 4.2cm/ 1.65inch; Bottom diameter: 3.2cm/ 1.25inch

3.2-4.2cm:

Height: 3cm/ 1.18inch; Top diameter: 4.2cm/ 1.65inch; Bottom diameter: 3.2cm/ 1.25inch

4.2-5.2cm:

Height: 3.1cm/ 1.22inch; Top diameter: 5.2cm/ 2.05inch; Bottom diameter: 4.2cm/ 1.65inch

3-3.7cm:

Height: 3cm/ 1.18inch; Top diameter: 3.7cm/ 1.46inch; Bottom diameter: 3cm/ 1.18inch

3.7-4.5cm:

Height: 3.8cm/ 1.5inch; Top diameter: 4.5cm/ 1.77inch; Bottom diameter: 3.7cm/ 1.46inch

3-3.7cm Hole:

Height: 3cm/ 1.18inch; Top diameter: 3.7cm/ 1.46inch; Bottom diameter: 3cm/ 1.18inch

Package Includes:

1 Piece Glassware Stopper