This Costar 50mL reagent reservoir is ideal for repetitively filling multichannel pipettors. Manufactured from virgin white polystyrene. Bulk packaged with 5 reservoirs per bag and 200 per case. Sterile. Material: Virgin Polystyrene. Color: White. Capacity: 50mL. Feature: Disposable. Packaging: Bulk Pack. Corning #: 4870.