Set of 9 Heavy Duty Stoppers, 2 Holes on Top & Bottom Porcelainware Ni-MH and Ni-Cd rechargeable batteries

Ni-MH and Ni-Cd rechargeable batteries and apply an appropriate charging mode

Organic 3D Chemistry Model Kit: Silicon Dioxide SiO2 Molecular Structure Model

Premium Quality: Immersion Heaters are made of high quality

This real TOAD has been embedded in plastic for observation and study

Each Tape has the following Hazard Warning: Irritant

Set of 9 Heavy Duty Stoppers, 2 Holes on Top & Bottom Porcelainware Ni-MH and Ni-Cd rechargeable batteriesIncluded: 9 x Heavy Duty Stoppers, 2 Holes on Top & Bottom, Red Rubber, Solid USA Size 25. Bottom Dia.: 25mm. Top Dia: 28. 5mm. Height: 28mm. Autoclavable, with superior chemical durability. Low temperature gradient can withstand high temperatures & thermal shocks. Premium Quality: Stopper is made of high quality, heavy duty and durable rubber. Designed for use in professional laboratories but is an ideal choice for science classrooms and household