The Origio IVF Pasteur Pipets are high-quality 5.75" pipettes designed for precise and accurate dosing in laboratory settings. Made of borosilicate glass, these sterile pipets are cotton-plugged to ensure a sterile environment. With a unit quantity of 1000, this box of pipettes from Fisherbrand is ideal for medical and research applications where precise measurements are crucial. The model number PP-5.75-1000PL signifies the product's size and quantity, making it easy to identify and organize in a laboratory setting.