"solar filter"

Improves visibility in sodium and potassium flame tests.

How do you remove settled wastes from the gravel in your aquarium? Use these powerful undergravel filters to keep your aquarium water sparkling clean.

Buchner filtering flasks are made of high quality, heavy duty borosilicate glass.

Explore how solar power is converted into motion with a solar bug.

Show How Direct/Indirect Sunlight Provides Power

Funnels are made of durable plastic. Funnels of top inner diameter 70-108 are polypropylene and autoclavable. Funnels with top inner diameter of 127 and 165 are polyethylene and not autoclavable.

The 165 mm size has a wide stem for quick transfers.

Stainless steel funnel within air channel for smooth flow.

Depicts the Most Prominent Fraunhofer Lines and Their Wavelengths

Photocells with included connecting wires

With this collection of science kits, you and your students can explore the concepts behind and the many applications of solar hydrogen, direct methanol, and other fuel cell technologies.