10 Best Lab Carboys

Generic 5 Pcs Tapered Silicone Plug Bottle Stopper Set, Sealing Silicone Test Tube and Flask Stopper, Compatible with 21-25mm Lab Glassware, Chemical Resistant for Scientific Use

Bottle sealing plugs:perfect acid, alkari and , better than any other rubber or plastic stoppers
Ideal for laboratory, household, and industrial use, to prevent oxygen from wreaking havoc with your fermenting process
Best suitable thickness, lightweight design, appearance, laboratory stoppers
Able to be use at very high temperature due to its silicone material feature
And aging resistant strong and sturdy for

Easily disassembled for cleaning
Simply insert the automatic siphon on your fermentor, pump up the central tube and the siphon will start.
Clear plastic tube to see fluid during transit
Designed to minimize deposit accumulation during transfer
Perfect for bottling carbonated drinks such as beer and cider