Low Retention Pipette Tips, Racked PP These Micro Tips are offered in prefilled racks that do not require any manual accumulation in empty boxes. Polypropylene racks are very robust, sturdy with consistent and thick wall thicknes. Racks are hinged with transparent ld base providing excellent view insidethe box. Racks ar stackable. Can be used for repeat autoclaving. Reusable once empty. Available in following capacities: 0.2-10 (Graduated) 0.2-10 Extended (Graduated) 2-200 (Bevelled Graduated) 2-200 (Ultra Point Tip Orifice) 2-300