United Scientific® Polycarbonate Test Tube Rack – 12-Place, 25mm Tube Capacity, White Base with Clear Tiers, Autoclavable Racks:12 these reusable bottles are ideal

these reusable bottles are ideal for storing reagents

and educational science labs

Featuring a single neck with a precision 24/40 ground glass joint and a square bead

and microbe batteries while building functional electrical circuits

United Scientific® Polycarbonate Test Tube Rack – 12-Place, 25mm Tube Capacity, White Base with Clear Tiers, Autoclavable Racks:12 these reusable bottles are idealOrganize and protect your laboratory samples with the United Scientific 12 Place Polycarbonate Test Tube Rack, designed for 25mm diameter tubes. Featuring a durable 3 tier construction with transparent upper and middle plates, this rack allows clear visibility of contents while ensuring easy insertion and removal. The beveled holes on the bottom plate provide secure stability for standing tubes, reducing the risk of tipping. Built from high quality,