AquaClear 20 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
Fluval* Foam Pad captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process, inside the filter chamber to prevent debris bypass, pore size allows water
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
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
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
Glass Petri Dish Has Two Pieces (Lid And A Dish)And Are Packed Individually, Can Expose You To Chemicals Including Arsenic, Which Are Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm, Not For Children 13, Size: 90Mm Diameter.
VWR* Multi-use Measuring spoon, Color: White, Scoop out the right amount of ingredients, Material: polypropylene plastic, Dimension: 1-3/4 x 4-1/2 x 7/8in