Filter units, PES membrane These bottle-top filter units are ideally suited for the separation or purification of samples which are contained in large volumes. The units are available with either 0.22µm or 0.45µm pore sizes and 3 different volumes (250, 500 and 1000ml). Features: -Bottle-top filter and reservoir bottle are included -Light weight and stable wall construction -Large knurls on the reservoir bottle cap for easy screwing -Wide bottle mouth for efficient pouring out -Volume graduation -Hose connector fits multiple diameters -Non-pyrogenic Membrane material: Polyethersulfone (PES)
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