One Hole Rubber Stoppers

Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.

Similar to CG-3026 except with one hole. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established…

Standard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter

Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

…for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe Plugs Tube Stoppers

1 pound package of assorted 1 hole rubber stoppers. Sizes and quantities are as follows: Size 00: 4 each Size 0: 4 each Size 1: 4 each Size 2: 4 each Size 3: 4 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each

RS-2H-C 1 pound package of assorted 2 hole rubber stoppers. Sizes and quantities are as follows: Size 2: 3 each Size 3: 3 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each Size 8: 3 each

A black rubber stopper that is useful in a number of applications. Available in a variety of sizes. Each pack is one pound. Choose from solid, 1 hole, and 2 hole stoppers.

…use as solid or one-, two- or three-hold closures Simplifies stock room inventory Molded of soft, resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3) holes. 8744H10 Assortment…

Choice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm

Similar to CG-3026 and CG-3027 except with two holes. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications…

Sani-Tech® ultra-pure platinum-cured silicone stoppers outperform standard neoprene and rubber stoppers in critical laboratory and process applications. These long-life silicone stoppers are fully autoclavable and sterilizable and will not crack, spallate or invoke particle migrations that can…

Made of soft, pliable, black-compounded stock Length: 25 mm Includes stoppers of solid, one-hole and two-hole styles in sizes 00, 0, 1, 2, 3, 4, 5, 6, 6 1/2, 7 and 8; total of 66 stoppers

… Screw-type closure holds membrane in place Autoclavable Can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. Includes one easy-to-use, no-twist Nalgene® vacuum gasket, which can replace a No. 7 or 8 rubber stopper with a 9/16” (15 mm) hole.

Three twist-off seals permit easy conversion from a solid to a one, two, or three-hole stopper. Soft, resilient, natural rubber demonstrates exceptional aging characteristics and withstands repeated autoclaving. Autoclavable at 250°F for 30 minutes under water or steam conditions only (not…

…Gauze, 5” x 5”, with ceramic center [1] Crucible, Porcelain, 25 ml with lid [1] Watch Glass, 75 mm dia [1] Plastic Scoop [1] Spatula, stainless, 3” long blade with wooden handle [3] Rubber Stoppers, solid [3] Rubber Stoppers, one-hole [3] Rubber Stoppers, two-hole

…4” Clamp - 1 Rubber Stoppers # 0, 1-hole - 2 Rubber Stoppers # 3 1-hole - 2 Rubber Stoppers # 6 1-hole - 2 Rubber Stoppers # 6 2-hole - 2 Rubber Tubing, 4 ft., 1/4" i.d. - 1 Test Tube Clamp - 2 Test Tube Brush 3x1/2" - 1 Test Tube Rack, 12 Holes, 12 Pins, Wood - 1 …

…accessories for use in fermentation applications. These are: 2 Polypropylene screw closures, one with a hole that accepts a #10 stopper 1 No. 10 silicone rubber stopper with a hole (useful for a 3 piece fermentation lock) 1 EPDM O-ring that can be inserted into the closure for…

Scale is durable white ceramic enamel Funnel top to accept No. 3 one-holed rubber stopper Class A accuracy Stopcock for both sizes is Standard Taper 2 1990K60 is graduated in 0.01 mL intervals. 1990K80 is graduated in 0.02 mL intervals.

These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

…& Pestle, 90mm (1), Rubber Stopper, #1, solid (6), Rubber Stopper, #1, one-hole (1), Rubber Stopper, #2, solid (1), Rubber Stopper, #2, one-hole (1), Rubber Stopper, #2, two-hole (1), Rubber Stopper, #6, solid (3), Rubber Stopper, #6, one-hole (3), Rubber Stopper, #6, two-hole (3), Spatula,…

…has official certification for water quality work The 0.2 µm membrane is excellent for sterility testing Graduated upper chamber provides accurate and convenient sample measurements Includes six funnel adapters designed to fit a #8 rubber stopper with a 1/2-inch hole. Case contains 50 filters.

The Gas Generating Bottle is useful in the production of gasses and provides a funnel tube and a connecting tube. Includes a 500ml capacity Bottle, 2-hole Rubber Stopper, Thistle Tube and a 90 degree angle connector tube.

…yet allows easy access for retrieval and replacement of membrane. Clamp allows one-handed operation. Funnel may be used with any filtering flask or filter manifold which has a No. 8 rubber stopper with a 9/16” (15 mm) hole. Funnel and clamp, Thomas number 4618Q60, also available separately.

…hole. Optional collector lid for FreeZone 4.5L, 6L, 8L, 12L & 18L Freeze Dryers. For use with solvents that attack arcylic, like acetonitrile. Includes neoprene gasket. 10.1" dia. Stainless Steel Lid (1177K46) Stainless steel lid has 10.12" diameter with 3" diameter hole.…

…not be handled. Packed complete with a reservoir bottle, U-shaped drying tube, vented connecting tube, rubber squeeze bulb, #1 single-holed rubber stopper, PTFE stopcock plug and 1/4 inch ID tubing Precision ground tips assure uniform outflow Supplied with a chemically-resistant,…