"solar+filter"

The Latest information and Imagery from Hubble and Voyager 2

Used for drying small amounts of gases.

Improves visibility in sodium and potassium flame tests.

The conditioning cartridge is for use in PURELAB® Option-E 5/10 water purification systems, for the conditioning stage required for reversed-phase sorbents.

The Heliostar 76 mm H-Alpha solar telescope brings a new light to the Skywatcher family by offering a dedicated Hydrogen-alpha (Hα) solar telescope to the lineup.

This essential product will safely engage students with a once-in-a-lifetime astronomical event. There is no greater opportunity that will inspire young scientists to partake in the celestial relationship between the earth, moon and sun.

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Ideal for checking thermal efficiency

Compact demonstration of alternative energy.

Dramatic Results Mimic Effects of Sun on Living Tissue

Explore the position of the planets around the Sun.

Students have fun manipulating these large brightly colored felt pieces. The solar system has never felt closer.

Made of heavy paper, the models can be positioned to show their relation to one another at any given time of the year.

Filter Support Collar is a sturdy, molded rubber filter disc.

Perfect for your paper chromatography needs.

Use the free energy from the sun to power your designs.

Separate the different colors of a solution.