6 PCS Plastic Beaker Set Polypropylene Includes 50 100 250 500 1000 2000ml

Perfect for a classroom starter set. Can tolerate temperatures of up to 135°C (275°F). Includes 6 polypropylene beakers – 50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind.

4 PCS Gas Can Vent Caps, Leakproof Plastic Fuel Can Jug Vent Caps Small Spout…

Easy to Use: The installation process is simple and straightforward. Premium Material: Crafted from high-quality PP material, the gas can vent cap is resistant to deformation and breakage. Practical Function: This lid effectively balances the internal pressure of the container, allowing air to flow smoothly into and out of the container.