General Lab Products & Reviews

Paper/plastic wrap allows easy opening by either pop-through or peel-apart techniques. It is also ideal for sterile tissue culture applications, especially while wearing latex gloves, as the wrap reduces static cling. Color-coding on paper allows easy size identification. Paper/plastic wrap allows full view Unique color-coded magnifying stripe for easier meniscus viewing. Sterile, individually wrapped and certified nonpyro…

(This is the suggested replacement for 431653 and 431090)Corning® 50 mL clear polypropylene (PP) conical bottom centrifuge tubes come with the advanced polyethylene CentriStar™ caps and are packed 25 per rack. The CentriStar™ cap has an easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that…

4 mL capacity with round bottom Self-standing design Black graduations and larger marking spots for easier filling and sample identification Manufactured from polypropylene to withstand temperatures to -196°C Silicone washer for a secure seal Vials may be color coded with inserts (see Cat. No. 430499) Special base design allows vials to be locked into cryogenic rack and tray (Cat. No. 430525 or 431131) for single-hande…

Minimizes unnecessary transfers by filtering directly into 50 mL centrifuge tube. Includes two centrifuge tube stands with each case. Cellulose acetate (CA) membranes provide fast flow rates and low protein binding and are good for filtering cell culture media. Polypropylene centrifuge tube is supplied with an individually wrapped cap for storage. Individually packaged, sterile, certified nonpyrogenic. Expiration date a…

Easy application and removal for short- and long-term storage Provide tight seal to minimize evaporation and condensation and enables oil-free operation when used with thermal cyclers with heated lids Suitable for use between -80°C and 150°C, is not transparent, and is pierceable DMSO-resistant Nonsterile DNase- and RNase-free

Corning® 500 mL Bottle Top Vacuum Filter, 0.22 µm Pore 33.2cm2 PES Membrane, Fits 33mm Diameter Necks, Sterile, 12/CaseFits plastic or glass media bottles with 33mm neck sizes.Polyethersulfone (PES) membranes provide the fastest flow rates, the lowest protein binding and low extractables and are best for filtering cell culture media.Angled hose connector simplifies vacuum line attachment.Individually packaged, sterile and cert…

Fits plastic or glass media bottles with 45mm neck sizes. Polyethersulfone (PES) membranes provide the fastest flow rates, the lowest protein binding and low extractables and are best for filtering cell culture media. Angled hose connector simplifies vacuum line attachment. Individually packaged, sterile and certified nonpyrogenic. Each system has the membrane material and pore size printed on the unit and is color-coded…

These Costar® 2.0 mL microcentrifuge tubes are made of natural (uncolored) polypropylene and are RNase-/DNase-free. Supplied nonsterile and are autoclavable External graduations and frosted writing spot for easy sample identification Positive seal design allows for repeated opening and closing Flat cap surface for convenient labeling Withstands a maximum RCF of 17,000xg

These Costar® 1.7 mL microcentrifuge tubes are made of colored polypropylene and are RNase-/DNase-free. Rainbow pack includes one bag each of blue, green, yellow, red and orange tubes. 500/case Supplied nonsterile and are autoclavable External graduations and frosted writing spot for easy sample identification Positive seal design allows for repeated opening and closing Flat cap surface for convenient labeling Withstand…

These Costar® Spin-X® centrifuge tube filters have a 0.22 µm pore CA membrane-containing filter unit within a 500 µL capacity polypropylene microcentrifuge tube. Cellulose acetate (CA) membranes provide fast flow rates and low protein binding Ideal for removing bacteria, particles, or cells from liquids, HPLC sample preparation and DNA removal from agarose or acrylamide gels. Sterile and certified nonpyrogenic and DNase-/RN…