●material: Funnel Base Unit, Cup/PP (Polypropylene), Retainer Ring/PTFE (ethylene tetrafluoride), Membrane Support/Stainless Steel (SUS304) Suitable Filter Size: φ 47 mm Screw Cap standards: GL -45 Model Number: PLS -8000 -1020 capacity (L): 2 Set Contents: Funnel, Base Unit, Retainer Ring, Membrane Support, Inline Filter Adapter Top, Adapter Kit (Tube Connection inner diameter 1/4 ", 3/16," 1/8 ")