Soft sponge foam brush cleans glassware without absorbing water. Foam bristles never become soggy or limp. Will also not scratch or chip fragile glass items. Also will last up to 10 times longer than normal nylon brushes and up to 20 times longer than sponges.

Thermometer is mineral spirit filled to eliminate workplace and environmental hazards associated with mercury. Thermometer has a white back, a 6 to 7mm outer diameter, and a standard taper 10/30 inner ground joint. All ranges have 1º subdivisions. Immersion is measured from the bottom…

Unique 5L Rotary Evaporator design fills the opening between benchtop and industrial evaporators systems. Features a large bath for a 5L flask. Continuous reflux with a 3L receiving flask and a reflux valve and a bottom drain valve for the receiving flask. Motorized lift with push button control.…

Dewar style trap CONDENSERS designed for large volume solvent removal. Lower reservoir has a capacity of either 500 or 1000mL, with a 4mm PTFE stopcock. Serrated hose connections are 12mm at the smallest serration and 14mm at the largest serration. Optional UHMW Lid prevents evaporation of dry…

Cover slips are manufactured from the highest quality borosilicate hydrolytic class 1 German glass. They have excellent resistance to chemicals and are ideal for neural tissue culture and hard-to-attach cells. These cover slips are exceptional for florescence and confocal microscopy. Sold in…

Adapters permit the connection of standard laboratory dram sample vials directly to the vapor tube or a bump trap of a rotary evaporator. Adapters have a top outer joint of the listed size and a 20-400 G.P.I. thread at the bottom. A PTFE-lined, polypropylene, double-threaded connector attaches the…

Scoop is designed with one pointed end and one blunt end. Design allows for digging out and handling of small amounts of material. Spatula is 6.5" OAL.

Non-calibrated tubes made from borosilicate glass for use with aqueous and organic solutions. Packed in half pound packages. Tubes are 1.0-1.1mm OD x .66-.70mm ID.

Viton o-ring is stocked in brown 75 durometer. They are suitable for acids, aliphatic hydrocarbons, oxidizing agents and all petroleum products. Viton has a low compression set and high temperature resistance. Viton is especially good for vacuum service and low gas permeability and has a useful…

Inexpensive, tapered stopper provides for a tight, leak-proof fit while the top ring permits the stopper to be easily removed. Stoppers are made of yellow Polyethylene

Kalrez® 4079 perfluroelastomer combines the elastomeric properties of Viton with the chemical resistance of PTFE, making it the best possible o-ring material available. Kalrez® 4079 should be considered for service in high temperature, corrosive environments such as: Polar Solvents…

Neoprene filter adapters are designed to fit between a filtering funnel and a flask. For use with Buchner funnels, Gooch crucibles, filter tubes, etc. Can be used individually or nested with adjacent sizes. Eliminates the boring of rubber stoppers and the difficulties of inserting and removing…

Reusable PTFE sleeve with knurled, reinforced gripping ring for easy removal. Sleeve has reinforcement ribs on the outer surface that provide a vacuum tight seal to 1 mbar and also prevent the sleeve from sticking. Sleeve is .008in thick.

Dispenser packs of non-sterile syringes make sense. They're more economical and easier on the environment. Available in both luer slip and luer lock styles. Convenient dispenser cartons Reduced waste No wrappers to remove Require less storage space These all polypropylene…

Sleeve type stoppers with a hollow plugs and sleeve extensions that folds down over the neck of a vessel, tubing, etc. The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn. Available in either RED or WHITE rubber.

Made of Delrin®, the clamp is non-corrosive and will not scratch glass. Can be used to 140°C. Color coded for easy identification. SOLD IN PACKAGES OF 10.