One Hole Rubber Stoppers

13.5 Rubber Stopper 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…

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

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…

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.

…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.…

…or better) Drying Oven Vacuum filtration setups (aspirators or small vacuum pumps, 250mL Buchner funnels, 250mL Erlenmeyer flasks w/sidearm, ring stands w/ laboratory clamps, rubber tubing, glass tubing, #6 two-hole rubber stoppers, #6 Buchner funnel rubber stoppers) DOT Info: Non-regulated

…Developing and Using Models; Planning and Carrying Out Investigations Kit Includes: 15 Gas Law Demonstration Apparatus 15 Rubber Stoppers, 2-hole 15 Rubber Stoppers, 1-hole Required: Temperature and Pressure Sensors DOT Info: Non-regulated *”Next Generation Science Standards” is a registered…

…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,…