Lab Full Silicone Stoppers Stopper Stoppers Cone Test Tube Stoppers White 3.2-4.2cm Hole

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