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These Vacuum Desiccators are provided with a transparent polycabonate bottom that makes it more robust and provides excellent view of the desiccator. All the other features are same as PP/PC vacuum desiccators.

Soda Glass, with ground glass cover having knob at top

These Desiccators are made of Polypropylene and Polycarbonate. These autoclavable vacuum desiccators can hold vacuum upto 740mm of Hg for 24 hrs. without any greasing. The top dome, moulded in rigid and transparent Polycarbonate, gives a crystal clear view of the desiccant placed inside. The knurled knob on the top provides easy handling of the dome. The lower part is made of Polypropylene. An internal groove is provided on the flange to hold a silicon rubber O-Ring. The Polypropylene stopcock is fitted with a self lubricating PTFE plug. This plug works three way i.e. vacuum creation, shutting off & vacuum releasing.

Soda Glass, ground glass cover fitted with stopcock

Clearly showing the order and rate of formation of embryonic tissues and organs. It also brings out the close relations of the birds to the reptiles in mode of development and general construction. Complete development from egg to adult, set of 18, mounted on a large size board, with key card.