Two Hole Rubber Stoppers

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Two Hole Rubber Stoppers
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  • 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

  • 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.

  • 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…

  • Transparent 6 Gallon PET Carboys

    Dynalon

    …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 additional…

  • 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

  • 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

  • Rubber Stoppers

    United Scientific Supplies

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

  • Cork Borer Sets with Handles, Plated Steel 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.

  • 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

    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

  • 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.

  • 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

  • Leash

    Plasticoid

    For securing stoppers to neck of vessel or stopcock plugs to shell Rubber strip, 100 mm long x 5 mm wide, has hole 10 mm diameter at each end, expandable to 28 mm

  • Laboratory Grade Automatic Burets with Straight Stopcocks with PTFE Plugs

    Wilmad LabGlass

    …the rubber bulb. A small hole in the filling tube at the "O" line permits setting of the liquid level and excess titrant is returned to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG-4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130), and rubber

  • Laboratory Grade Automatic Burets with Straight Stopcocks

    Wilmad LabGlass

    …A small hole in the filling tube at the "O" line permits setting of the liquid level and return of the excess to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130), and rubber bulb (LG-4340-100).…

  • Microcentrifuge Tube Racks

    United Scientific Supplies

    …microcentrifuge tubes. Racks lock together on each side so that several can be attached for larger experiments. Each hole has molded in numbers for sample indentification. Ergonomic design provides easy insertion and removal and of tubes. Include rubber stopper suppors on the bottom for stability.

  • 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 …

  • Class A KIMAX Micro Burets With PTFE Stopcock

    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.

  • Sidearm Flask 10ml

    Kimble

    …scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well Manufactured from 33 expansion, low extractable borosilicate glass…

  • Flask Erlenmeyer 10ml

    Kimble

    …scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well Manufactured from 33 expansion, low extractable borosilicate glass…

  • 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.

  • 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,…

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