Rocks & Mineral Collection, Big Sizes The stopper is made from

The stopper is made from blended polymer and features an incremental taper to suit most applications and eliminating the need for multiple sized rubber stopper

GD08 Fish blood

Molecular Formula: Fe2(SO4)3

Cas Number: 10043-35-3

Rocks & Mineral Collection, Big Sizes The stopper is made fromRocks & Mineral Collection, Big Sizes This model can be used as a visual aid in schools for Geology lessons. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in geology classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.