Reagent reservoirs are designed to assist in repetitive liquid transfer White color enhances solution visibility Angled design promotes funneling of liquid to maximize retrieval, and works well with multiple-channel pipettes (sizes 50, 55 & 100mL only) 25, 55 & 100mL Reagent Reservoirs feature pour spouts on the corners, textured gripping areas on the sides, and a nesting design for easy stacking and storage