Housing: PS, membrane: PES, hydrophilic Sterile Funnelless bottle-top filter. This bottle-top filter enables direct filtration from a media bottle or tissue culture reagents/buffer bottle with a neck thread size of 38 mm or 45 mm into a vacuum-compatible, sterile screw top bottle with a neck thread of 45 mm or GL 45. For routine sterile filtration of tissue culture media, buffers, reagents and other aqueous liquids. Membrane material: Express ® PLUS (PES) membrane, hydrophilic Low protein binding, high flow speed and short filtration time Housing: PS For sample volume: 150 to max. 1000 ml Membrane-Ø: 73 mm Filtration surface: 40 cm 2 Pore size: 0.22 μm Max. usage temperature: 50 °C Vacuum connection: for tubes with inner Ø of 6.5 to 12 mm Sustainability The Steritop™ E funnelless bottle-top filter offers a more sustainable option for sterile filtration thanks to a considerable reduction in plastic and packaging material. Bottle-top filters Steritop™ E