Protects and stabilizes expensive glassware. SP Scienceware™ Round Lead Ring Flask Weights with Vikem™ Vinyl Coating reduces floating, breakage and chemical spills.

Autoclaved to 121°C

Caps have two flexible flanges to ensure a leakproof seal

Perfect for dipping, transporting and storing test tubes.

Constructed of heavy duty, durable plastic. Azlon™ Wide Mouth Polypropylene Bottles are easy to clean and designed for efficient, effortless pouring.