Whatman Uniflo Syringe Filters are disposable filter units designed to provide clean filtrate from small volumes up to 100 ml - combining premium quality with economic efficiency. They are available in a variety of membrane choices with a polypropylene overmold housing. Uniflo filters are individually inkjet printed for easy filter identification and packaged in clean resealable, recyclable plastic boxes to optimize laboratory storage space. 13 or 25 mm diameters 0.2 μm, 0.22 μm or 0.45 μm pore sizes Sterile or non-sterile options Individual printing on the filter for easy identification Bench top space saving packaging