One Hole Stopper

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One Hole Stopper
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  • One-Hole Rubber Stoppers

    Plasticoid

    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.

  • Rubber Stoppers

    United Scientific Supplies

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

  • Sani-Tech® Silicone Stoppers

    Saint Gobain

    …long-life silicone stoppers are fully autoclavable and sterilizable and will not crack, spallate or invoke particle migrations that can cause process or product contamination. All Sani-Tech® silicone stoppers can be supplied in a solid configuration or with cored holes for use with dip tubes…

  • Stopper Assortment

    Plasticoid

    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

  • No. 8 Perforated Stopper

    MilliporeSigma

    Designed for use with 1L and 4L vacuum filtering flasks and 47mm vacuum filter holder assemblies 100% Silicone Material Perforated, 1-hole accepts filter holder assemblies and tubing Pack of 5

  • Cork Borer Sets with Handles, Plated Brass Set

    Humboldt

    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.

  • Black Rubber Stoppers

    GSC International, Inc.

    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.

  • Clamp Style Polysulfone Filter Funnels

    Thermo Scientific Nalgene

    …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.

  • Rubber Stoppers for 800mL Kjeldahl Flasks

    Plasticoid

    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

  • Rubber Stoppers

    Plasticoid

    …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

  • Assorted 1 Hole Rubber Stoppers

    GSC International, Inc.

    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

  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    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.

  • FreeZone® Freeze Dryers Miscellaenous Accessories

    Labconco

    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.

  • Class A KIMAX Micro Burets With PTFE Stopcock

    DWK Life Sciences (Kimble)

    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.

  • Two Hole Rubber Stoppers

    Plasticoid

    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

  • Assorted 2 Hole Rubber Stoppers

    GSC International, Inc.

    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

  • Hollow Acrylic Prism,w/ Funnel & Stopper

    United Scientific Supplies

    Equilateral, 45mm sides hollow acrylic prism. Has one hole for adding fluids to study refraction and dispersion. Comes with a funnel and a stopper.

  • Twistit Convertible Stoppers

    Plasticoid

    …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…

  • Filter Funnel, Threaded

    Thermo Scientific Nalgene

    … 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.

  • Deluxe Chemistry Hardware Assortment

    United Scientific Supplies

    …& 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,…

  • Transparent 6 Gallon PET Carboys

    Dynalon

    …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…

  • Chemistry Labware Kit

    United Scientific Supplies

    …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

  • 12-Well Microcentrifuge Tube Holder

    Labconco

    …block with 12 bore holes that accommodate 1.7 ml microcentrifuge tubes. Holder may be placed on any flat freeze drying surface such as inside Clear Chambers, Heated Drying Chambers or the built-in vacuum drying chamber of FreeZone Console Systems; or on FreeZone Stoppering or Bulk Tray Dryer…

  • Scienceware® Vacu-Rack

    Bel-Art Products

    … Tubes are suspended in channels by colored stoppers providing instant visual identification One or two channels may be left open for stacking blood samples in sequential order as they are taken, for later numbering Three large holes for needle holders make this a complete blood drawing…

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    …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.

  • Oxygen Flask Combustion Unit

    Exeter Analytical

    …to the stopper of the flask. The flask is filled with oxygen and the stopper is then placed in the flask. The sample is combusted and the resultant combustion products are absorbed into the solution. The technique chosen for the actual determination of the element in question can be any one of a…

  • Hardware Assortment Kit

    United Scientific Supplies

    …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 …

  • Cork Boring Machine

    Humboldt

    Designed to mount on any tabletop, the Humboldt Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper. The knurled chuck accommodates the 9/16" (14mm) shank of the eight, plated-steel borers included with the unit. The steel borers range from 3/16" to…

  • KIMAX Class A Serialized and Certified Automatic Zero Burets with PTFE Stopcocks…

    DWK Life Sciences (Kimble)

    … 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, self-lubricating…

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