. PES is the lowest protein binding membrane - vital protein components remain in media . Hydrophobic with no need for external wetting agents or surfactants . PES offers better chemical resistance than cellulose acetate or nitrocellulose membranes . Unique square format provides 20% less storage space than similar volume circular brands . Includes screw cap and vacuum nipple . Clear polystyrene, non-pyrogenic, RNase/DNase-free, and Gamma-sterilized
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.