Convex Mirror, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, Optically worked, silvered back with protective coating, Size: 1.5in diameter, 150mm Focal Length
Fluval Cycle Biological Enhancer, For fresh and saltwater aquariums, Powerful team of beneficial bacteria immediately innoculates aquarium water, Creates a safe biological habitat for your fish, Prevents loss of fis
Marina Cool airline tubing accessory for any air device. It is ideal for use with air stones, air-actuated ornaments and air-driven filters. Designed to fit all standard outlets, the airline tubing will remain supp
AquaClear 30 Foam Filter Insert is mechanical filter media that effectively removes particles and debris from aquarium water. Prevents particulate waste from prematurely clogging other media in the filter, Designe
Nerve Cells, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube
Marina airline tubing is safe and dependable for use with air stones, air-actuated ornaments and air-driven filters. Designed to fit all standard outlets, the tubing will remain supple and retain its shape. Size:
Exo Terra Cricket Pen Replacement Foam, insert for the water dish supplied with the Exo Terra Cricket Pen. The water dish foam insert prevents the crickets held in the Cricket Pen from drowning. Replace the foam in
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 1in Hx1in W