20 pieces Silicone Rubber Stopper Plug Bung Caps for Flask Test Tubes

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

Color: White

Package Includes:

20 Pieces Test Tube Stopper Plugs