Products

Sprinkler systems are used for personal- and property protection. Our Thermo Bulbs are one of the most important elements to ensure the precision of a sprinkler. They are manufactured in accordance with VdS, UL, FM and LPCB regulations and are subject to strict controls.

Our Thermo Bulbs are made in Germany.

The partner for processors and laboratory distributors.
For more than 50 years Geissler has stood for laboratory glass products with high quality standards and competitive prices

Our high-quality glasses are also used in medical applications. For many years we have been supplying medical glasses for various therapeutic applications.