4Pcs | Polypropylene Square Ratio Beaker | 100, 250, 500, and 1000mL Capacity Precise Control: The included one-way

Precise Control: The included one-way valve ensures the flow of oxygen to the patient while preventing the inhalation of exhaled air

High Purity: With a minimum purity of 98% as determined by gas chromatography

the hydrogen peroxide multi-purpose cleaner is packaged in an easy-to-open container for quick

Human Heart Model

4Pcs | Polypropylene Square Ratio Beaker | 100, 250, 500, and 1000mL Capacity Precise Control: The included one-wayDurable Material: Made of high quality polypropylene, these square ratio beakers are sturdy and resistant to chemicals, ensuring long lasting use. Assortment Set: This set includes four beakers of different capacities: 100mL, 250mL, 500mL, and 1000mL, providing versatility for various laboratory needs. Blue Graduated: The beakers are graduated with blue markings, allowing for easy and accurate volume measurements during experiments and analyses.