DescriptionThe “Membrane Filtration Technique” is intended to meet regulatory guidelines and is commonly used in quantitative micro-organism detection in various liquids, including but not limited to beverages, beer, wine, dairy, pharmaceuticals, cosmetics and environmental monitoring. Use of this automatic dispenser with our Tisch-brand gridded membrane filters will ensure accurate and timely results.Features● Hands-free (no touch) sterile membrane dispensing.● Easy loading of sterile membrane rolls.● Indicates number of used and remaining membranes.● High-speed dispensing, ● Portable with a compact size.● Operates with 110/220V or 18650 battery.● Dimensions of 11.8” x 7.1” x 6.1”● 1-year replacement warranty (See User Manual for details)Note● The Li-ion battery is not included with this machine for safety reasons. The chargeable Li-ion battery can be purchased locally.● This machine is intended for use with continuous membrane filter rolls only.