Marina 300 Air Pump combines high performance output with quiet operation, air pump is reliable air source for a wide variety of applications for delivery of oxygen to air-operated aquarium, Operate items such as air
Funnel, Standard Stem, Material: Polypropylene, These clear funnels have long stems, smooth walls and external ribs to prevent air lock, Autoclavable, Top Outside Diameter: 150 mm, Stem Length: 110 mm, Capacity: 500 ml
Folding Quadrat, Steel Frame, Consists of 4 white coated steel rods 0.5 m long with markers at 0.25 m, For population counts and other measurements in the field
Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.