🔍 Elevate Your Lab Game! Stability is key—our flat bottom design prevents tipping, making it ideal for any lab setup. Achieve accuracy with a tolerance of just +/- 0.25ml, ensuring your experiments are spot on. Get double the precision with this pack of two, perfect for collaborative projects or backup. Includes a ground glass stopper for a secure seal, keeping your samples safe and contamination-free. Crafted from high-quality 3.3 boro glass for superior strength and thermal resistance. 500ml capacity 0.25ml tolerance 3.3 boro glass The Karter Scientific 500ml Volumetric Flask is a Class A precision instrument made from durable 3.3 boro glass, featuring a flat bottom and a ground glass stopper. With a tolerance of +/- 0.25ml, this flask ensures accurate measurements for all your scientific needs. Sold in a convenient pack of two, it's perfect for both individual and collaborative laboratory work.