100pcs/Box Disposable PP Needle Filters with PTFE/PES/Nylon/MCE/PVDF Membrane Syringe Needle Filters Laboratory Supplies Product description:Product Name: Needle FilterPacking: 10 Pcs/BagType 1: Nylon Needle Filter,Color: YellowType 2:MCE(Mixed cellulose ) Needle Filter,Color:BlueType 3: PES(Polyethersulfone) Needle Filter,Color:GreenType 4: PTFE Needle Filter,Color:RedType 5: PVDF