Perform sterile filtration of cell culture media and serum with Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES Membranes.

Combines unique functionality, user-friendliness and performance. Fisherbrand™ Ultimus Bottle Top Dispenser offers dilution, rinising, dual liquid handling and re-circulation in a single unit.

Use as replacement receivers for Corning Disposable Sterile Filter Systems or as storage bottles. Corning™ Disposable Sterile Bottles are easy to grip and ideal for storage of media, buffers and other aqueous solutions.

Guarantees excellent accuracy during serial dispensing. Hirschmann Instruments™ opus™ Dispenser is for motor-driven dispensing directly from the reagent bottle.

Features printed funnels that identify membrane type and product number for easy product product identification. Corning™ Disposable Vacuum Filter/Storage Systems provide a complete solution for your filtering needs. The system consists of a polystyrene filter funnel joined by an adapter ring to a removable polystyrene storage bottle with a separate sterile polyethylene cap.

Filter and sterilize faster with a large 7.3cm diameter filter. Steritop™ Sterile Vacuum Bottle-Top Filters are sterile, threaded bottle-top filters with 0.22 micron pore size for vacuum filtration and sterilization of tissue culture media, protein and DNA solutions, and virus suspensions.

For ultrafast, aseptic sterilization of 5 to 10L using vacuum filtration

Recommended for general filtration. Wheaton™ Fritted Glass Support for 47mm Filtration Assemblies with No. 8 Stopper Connections is manufactured from Wheaton™ 33 low extractable borosilicate glass.

Robust and reliable dispensing; Fisherbrand™ Beatus Bottle Top Dispenser has re-circulation valve for re-directing the liquid into the bottle for bubble free dispensing without any loss of reagent.

Poulten & Graf GmbH FORTUNA™ OPTIFIX™ Safety S Dispenser has triple sealing for safety when working with acids and other corrosive liquids.

Lower the number of extractables in your bottle-top filters by switching from standard CA membranes to sterile, disposable bottle top filters with SFCA Membrane.

Designed for use on glass or polystyrene media bottles with 33 and 45mm neck sizes. Corning™ Disposable Sterile Bottle-Top Filters are ideal for filtration of tissue culture media and components, biological fluids, other solutions.

Fast filtration with low protein binding

Autoclavable and used withQuikSip™ Bottle Top Aspirator

Removes particles and microorganisms from liquids and gases with pump-driven filter. Millipak™ Disposable Filter Units provide sterile filtration of parenterals, diagnostics, buffers, media, and biologicals.

Particularly well-suited for dispensing suspensions. Comes complete with 1000mL soda-lime glass reservoir bottle.

For dispensing of all chemicals - including solvents - that do not attack polypropylene and don't crystallize. Poulten Graf™ Fortuna™ Polyfix Natural Glass Dispensers come with a glass piston.

The Dispensette™ S Organic Analog Bottletop Dispensers feature a “floating piston” design for low-force operation and no wearing parts. Optimized flow channels make dispensing and priming even easier-particularly in instruments with large volumes. Designed for dispensing of organic solvents, concentrated acids and peroxides.

0.2μm DynaFibre™ mixed cellulose ester filter provides more surface area for faster flow than disc filters with less fouling

Constructed with chemically inert contact components for broad chemical resistance, these bottle-top dispensers are universally adapted for most laboratory reagents. Socorex™ Calibrex™ Universal 520 Bottle-top Dispensers are easy to use and maintain.

For dosing of the most common chemicals, acids and crytallizing liquids (not suitable for solvents). Poulten Graf™ PTFE/PP/Fiberglass/Teflon/Ceramic Fortuna™ Optifix™ Basic Dispensers have a dispensing cylinder and piston made of glass.

MICROLIT SCITUS Bottle Top Dispensers with Springless Valve™ technology are high precision liquid handling instruments that offer a sophisticated blend of features and functionality across six unique volume ranges.

Ideal for dispensing aliquots of liquid from large supply bottles.

Dose liquids from reagent bottles with Thermo Scientific™ Finnpipette™ Dispensers.

Adapt current model Dispensette™ seripettor™, Titrette™ and QuikSip™ to common bottle sizes.

The first bottletop burette to meet class A error limits for glass burettes

Guarantees excellent accuracy during serial dispensing. Hirschmann Instruments™ opus™ Dispenser is for motor-driven dispensing directly from the reagent bottle.

Complete a FORTUNA™ Dispenser with an adapter that comes in a wide selection of threads. Poulten & Graf GmbH PTFE Adaptor for FORTUNA™ Dispenser with Thread enables smaller containers to be supported on top the existing reservior.

Ideal for dispensing aliquots of liquid from large supply bottles.

Filter up to 5L of fluid with this large-volume bottle top filter with a 0.2μm PES membrane. Place on a bottle mouth, apply vacuum and start the filtering process.