Nalgene 300-4000 Polysulfone Graduated Filter Holder with Receiver, 250mL Capacity Capacity: 250ml; receiver diameter: 83mm; filter area with analytical support plate: 11.25mm; filter area with sterilization support plate: 13.3mm Material: polysulfone Overall width including side-arms: 110mm; height including cover ports: 180mm Autoclavable; graduated receiver; filter holder accepts 47mm membrane filters Two side-arms allow connection to vacuum line or syringe filters; accepts 6 to 8mm (1/4 to 5/16 inch) I.D. vacuum tubing