plastic stoppers for sale, brand-new and used.

Organic Chemistry Deluxe Glassware Kit This Organic Chemistry Deluxe Glassware Kit with standard taper ground glass joints is for distillation, extraction, synthesis, reactions, and other organic chemistry processes. The 24/29 standard taper ground joints fit together

This is the perfect gift for the favorite teacher or professor! Educational gifts can help young and even older minds continue to enjoy learning. This is a usable item.

This is the perfect gift for the excelling student or favorite teacher! Education gifts can help young and even older minds continue to enjoy learning. With the writing utensil fitted to the rubber stopper it can be easily removed from the test tube for use and then put back when finished.

Deluxe Distillation Apparatus Kit This deluxe distillation apparatus kit has all the glassware and stands you need to get started with dis

Advanced Chemistry Labware Kit This Advanced Chemistry Labware Kit contains all the glassware and equipment you need for more advanced chemistry experiments. It includes 80 pieces of lab equip

Chemistry Equipment Kit This set comes with all the basic equipment needed for chemistry projects. These real laboratory tools include durable glass beakers, graduated cylinders for measuring liquids, a flask, wickless alcohol lamp and stand, test tubes and stand, the

Organic Chemistry Standard Glassware Kit Our Organic Chemistry Standard Glassware Kit with standard taper ground glass joints lets you perform organic chemistry processes. The 24/29 standard taper ground joints allow the different pieces to fit together with only glas