5pieces Silicone Rubber Stopper Plug Bung Caps for Flask Test Tubes 17-22mm

Description:

- Designed in tapered shape with standard demension,easy to plug in or pull out,creating an airtight seal in the mouth of your carboy or fermenter

- Well made with sturdy rubber stoppers to provide the best primary and fermenter arrangements possible,ideal for laboratory, household, and industrial use

- Smooth and tapered sides designed for exceptional sealing and optimal fit with a wide range of openings

- Various demensions to prevent oxygen from wreaking havoc with your fermenting process

- 100% Brand New with premium quality, durable and practical

Specification:

- Material: Premium Silicone

- Size #1:

- Top Diameter: approx. 13mm / 0.5 inch

- Bottom Diameter: approx. 9mm/ 0.35 inch

- Height: approx. 27mm / 1 inch

- Size #2:

- Top Diameter: approx. 15mm / 0.6 inch

- Bottom Diameter: approx. 11mm / 0.43 inch

- Height: approx. 29mm / 1.14 inch

- Size #3:

- Top Diameter: approx. 17mm / 0.66 inch

- Bottom Diameter: approx. 12mm/ 0.47 inch

- Height: approx. 32mm / 1.26 inch

- Size #4:

- Top Diameter: approx. 19mm /0.72 inch

- Bottom Diameter: approx. 15mm / 0.6 inch

- Height: approx. 66mm / 2.6 inch

- Size #5:

- Top Diameter: approx. 22mm / 0.86 inch

- Bottom Diameter: approx. 17mm / 0.67 inch

- Height: approx. 36mm / 1.4 inch

- Color: White

Package Includes:

5 Pieces Test Tube Stopper Plugs