Bottletop Filters
Bottletop filters streamline vacuum filtration for media, buffers, and aqueous solutions directly from standard bottles. This page brings together trusted options from Merck, Thermo Scientific Nalgene products, Fisherbrand products, Corning, Wheaton Science Products, and Cytiva Whatman Products so teams can compare capacities, pore sizes, and membrane choices in one place.
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FAQ
Bottletop filters are used for fast vacuum filtration of media, buffers, and aqueous solutions directly from a bottle. They reduce transfers, support sterile filtration or clarification, and make routine lab workflows easier to standardise across Merck, Thermo Scientific Nalgene products, Corning, Fisherbrand products, and Whatman products Cytiva.
Choose the pore size around the end use: 0.22 µm is common for sterile filtration, while 0.45 µm is often used for clarification. Compare capacity, membrane type, and bottle neck fit across Thermo Scientific Nalgene products, Merck, Corning, Fisherbrand products, and Whatman products Cytiva.
Select PES for aqueous media and low protein binding, PVDF for broader chemical resistance, nylon for versatile general use, and cellulose acetate where that fits the workflow. The best choice depends on sample chemistry, flow rate, and sterility needs from Merck, Corning, and Thermo Scientific Nalgene products.
Reduce clogging by pre-clarifying samples, avoiding overloading with particulates, and matching membrane choice to viscosity and sample load. Larger surface area formats can help too. Merck, Corning, and Thermo Scientific Nalgene all offer bottletop formats that support routine filtration work.
Use the Brand Filters section to narrow the Bottletop Filters category quickly by Merck, Thermo Scientific Nalgene, Fisherbrand, Corning, Wheaton Science Products, or Cytiva Whatman Products. That makes it easier to compare similar pore sizes, membranes, and capacities side by side.
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