Supplies

Borosilicate glass flasks are designed to give the best combinations of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable white enamel. (48 per CS )

Superior quality neutral filter paper.  Suitable for medium filtration, very low ash content. (100 per PK )

The ABS plastic draining rack provides an excellent option for post-wash draining of tubes and bottles. The back plate has 20 holes into which pegs are tightened with the help of screw-nuts. The bottom of the rack features a waste water tray and drain. (1 per EA)

Case of 10 racked, sterile filter pipette tips. Each rack contains 96 graduated tips, size 2 – 200µl, for a total of 960 tips. Manufactured from 100% pure porous polyethylene, filters are designed to prevent liquids and aerosols from entering the body of the micropipette to protect against cross-contamination. Best suited for biological applications, these tips are non-cytotoxic, non-hemolytic, and have a 99.9% bacterial filtration efficiency (BFE). Tips are manufactured from ultrapure USP Class VI certified, virgin polypropylene. DNase, RNase and Pyrogen free. (960 per PK )

Securely support and organize lab apparatuses with United Scientific's customizable lattice systems. Constructed of hard aluminum support rods with cast alloy footplates and hook connectors, these systems are as durable as they are practical. Assembly is easy and requires only a screwdriver. Contents: * 8 foot plates, 2-5/16” diameter * 8 set screws for foot plates * 24 anchoring screws for foot plates * 49 hook connectors with thumbscrews * 6 support rods, 2” long, 1/2” diameter * 6 support rods, 12” long, 1/2” diameter * 2 support rods, 24” long, 1/2” diameter * 7 support rods, 48” long, 1/2” diameter * 5 support rods, 72” long, 1/2” diameter (1 per EA)

Polypropylene racks with a 3-tier design provide a clear view of the tube contents and convenient insertion and removal of tubes. (2 per PK )

Good quality natural bristles, mounted in twisted heavy gauge galvanized wire. All brushes feature a radial top. (12 per PK )

Tongs have an overall length of 9" and include riveted joints and serrated tips. (1 per EA)

Unibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included. (1 per EA)

Shallow form with lip and flat bottom. Glazed except for rim and part of the outside bottom. Autoclavable. Withstand temperatures to 1150°C. To prevent thermal stress cracks, we strongly recommend a heating/cooling rate not exceeding 200°C per hour. Unite (6 per PK )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (12 per PK )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (6 per PK )

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch certified. (1 per EA)

Manufactured from thick walled borosilicate glass, funnels include a beaded rim and a fritted disc with coarse, medium or fine porosity. Porosity of Course(C) is 40- 60 Microns, Porosity of Fine (F) is 5-15 Microns, Porosity of Medium (M) is 15-40 Microns. (2 per PK )

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )

Neoprene stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic green neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Sold as one-pound bags (10 per PK )

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

STAINLESS STEEL SPATULA, 8" (20 CM), ONE END FLAT, ONE END BENT (10 per PK )

Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 4-1/2" for all sizes. (1 per EA)

Steel rod, zinc-plated extension support rings. Rod diameter 5/16", overall length 12" for all sizes. (1 per EA)

These pipettes are made from borosilicate glass in compliance with ASTM specification E-1293. Color-coded. Batch certified. Calibrated to deliver. Printed with durable amber markings. (5 per PK )