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You Searched For: Stoppers

Leak-proof, solid stoppers seal bottles, flasks, vials, and even tubing to prevent liquids and gases escaping. Multi-hole styles provide the limited flow stability conditions desired in order to prevent air bubble build up. With a slightly tapered design, different diameter sized stoppers are inserted in labware for a snug fit that still allows easy removal. The closures are manufactured in different materials for accurate resistance to harsh contents and can maintain vacuum atmosphere.

Leak-proof, solid stoppers seal bottles, flasks, vials, and even tubing to prevent liquids and gases escaping. Multi-hole styles provide the limited flow stability conditions desired in order to prevent air bubble build up. With a slightly tapered design, different diameter sized stoppers are inserted in labware for a snug fit that still allows easy removal. The closures are manufactured in different materials for accurate resistance to harsh contents and can maintain vacuum atmosphere.


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Product Image-76293-736

Stopper 2-Hole Rubber 34Mm 27Mm 6.5 16Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 6.5, Top Diameter: 34 mm, Bottom Diameter: 27 mm, 16lb
Catalog Number: 76293-736
Supplier: United Scientific Supplies
Product Image-76293-758

Stopper 2-Hole Rubber 64 Mm 54 Mm 12 5Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 12, Top Diameter: 64 mm, Bottom Diameter: 54 mm, 5lb
Catalog Number: 76293-758
Supplier: United Scientific Supplies
Product Image-76293-718

Stopper 2-Hole Rubber 17Mm 13Mm 00 63Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 00, Top Diameter: 17 mm, Bottom Diameter: 13 mm, 63lb
Catalog Number: 76293-718
Supplier: United Scientific Supplies
Product Image-76293-754

Stopper 2-Hole Rubber 56 Mm 48 Mm 11 6Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 11, Top Diameter: 56 mm, Bottom Diameter: 48 mm, 6lb
Catalog Number: 76293-754
Supplier: United Scientific Supplies
Product Image-76293-740

Stopper 2-Hole Rubber 39Mm 31Mm 7.5 13Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 7.5, Top Diameter: 39 mm, Bottom Diameter: 31 mm, 13lb
Catalog Number: 76293-740
Supplier: United Scientific Supplies
Product Image-76293-720

Stopper 2-Hole Rubber 15 Mm 10 Mm 0 90Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 0, Top Diameter: 15 mm, Bottom Diameter: 10 mm, 90lb
Catalog Number: 76293-720
Supplier: United Scientific Supplies
Product Image-76293-748

Stopper 2-Hole Rubber 46Mm 38Mm 9.5 9Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 9.5, Top Diameter: 46 mm, Bottom Diameter: 38 mm, 9lb
Catalog Number: 76293-748
Supplier: United Scientific Supplies
Product Image-76293-732

Stopper 2-Hole Rubber 28Mm 24Mm 5.5 21Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 5.5, Top Diameter: 28 mm, Bottom Diameter: 24 mm, 21lb
Catalog Number: 76293-732
Supplier: United Scientific Supplies
Product Image-76293-738

Stopper 2-Hole Rubber 37 Mm 30 Mm 7 13Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 7, Top Diameter: 37 mm, Bottom Diameter: 30 mm, 13lb
Catalog Number: 76293-738
Supplier: United Scientific Supplies
Product Image-76293-760

Stopper 2-Hole Rubber 68 Mm 58 Mm 13 4Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 13, Top Diameter: 68 mm, Bottom Diameter: 58 mm, 4lb
Catalog Number: 76293-760
Supplier: United Scientific Supplies
Product Image-76293-764

Stopper 2-Hole Rubber 103Mm 83Mm 15 1Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 15, Top Diameter: 103 mm, Bottom Diameter: 83 mm, 1lb
Catalog Number: 76293-764
Supplier: United Scientific Supplies
Product Image-76293-766

Stopper 2-Hole Rubber 127Mm 90Mm 16 1Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 16, Top Diameter: 127 mm, Bottom Diameter: 90 mm1lb
Catalog Number: 76293-766
Supplier: United Scientific Supplies
Product Image-76293-742

Stopper 2-Hole Rubber 41 Mm 33 Mm 8 10Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 8, Top Diameter: 41 mm, Bottom Diameter: 33 mm, 10lb
Catalog Number: 76293-742
Supplier: United Scientific Supplies
Product Image-76293-744

Stopper 2-Hole Rubber 43Mm 36Mm 8.5 10Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 8.5, Top Diameter: 43 mm, Bottom Diameter: 36 mm, 10lb
Catalog Number: 76293-744
Supplier: United Scientific Supplies
Product Image-76293-746

Stopper 2-Hole Rubber 45 Mm 37 Mm 9 9Lb

Description: Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 9, Top Diameter: 45 mm, Bottom Diameter: 37 mm, 9lb
Catalog Number: 76293-746
Supplier: United Scientific Supplies
Product Image-75996-702

STOPPER BIO-SILICO SILICONE OR 18-21 MM

Catalog Number: 75996-702
Supplier: Hirschmann
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