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Conical rubber stopper, 1 hole | AllLabo

All Labo
  • Ideal for setups with tubing (gas, vacuum, reflux) thanks to a single central hole providing secure passage for one tube.

  • Made from superior rubber resistant to acids, alkalis and ammonia, suitable for chemistry and quality‑control environments.

  • Wide range of conical sizes supplied in packs of 10 per size, making it easy to equip multiple flasks and workstations. For laboratory use only; users must ensure compliance with internal and local regulations (REACH, CLP, etc.).

Model
SKU Vendu par Ø Sup x Ø Inf x h Price Available Amount Basket
LH.CBU1-6-10 Pack of 10 9 x 6 x 16 mm
€0.98 €0.98
Replenishment in progress
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LH.CBU1-8-10 Pack of 10 10,5 x 8 x 20 mm
€1.08 €1.08
Replenishment in progress
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LH.CBU1-9-10 Pack of 10 11,5 x 9 x 20 mm
€1.20 €1.20
Replenishment in progress
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LH.CBU1-11-10 Pack of 10 14 x 11 x 24 mm
€1.24 €1.24
Replenishment in progress
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LH.CBU1-13-10 Pack of 10 16 x 13 x 24 mm
€1.65 €1.65
Replenishment in progress
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LH.CBU1-15-10 Pack of 10 18 x 15 x 24 mm
€1.86 €1.86
Replenishment in progress
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LH.CBU1-17-10 Pack of 10 20 x 17 x 26 mm
€2.18 €2.18
Replenishment in progress
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LH.CBU1-18-10 Pack of 10 21 x 18 x 26 mm
€2.28 €2.28
Replenishment in progress
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LH.CBU1-19-10 Pack of 10 22 x 19 x 28 mm
€2.68 €2.68
Replenishment in progress
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LH.CBU1-21-10 Pack of 10 24 x 21 x 28 mm
€3.98 €3.98
Replenishment in progress
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LH.CBU1-23-10 Pack of 10 26 x 23 x 28 mm
€4.37 €4.37
Replenishment in progress
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LH.CBU1-25-10 Pack of 10 28 x 25 x 28 mm
€5.81 €5.81
Replenishment in progress
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LH.CBU1-27-10 Pack of 10 31 x 27 x 32 mm
€6.67 €6.67
Replenishment in progress
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LH.CBU1-29-10 Pack of 10 33 x 29 x 32 mm
€7.19 €7.19
Replenishment in progress
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LH.CBU1-31-10 Pack of 10 36 x 31 x 35 mm
€10.26 €10.26
Replenishment in progress
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LH.CBU1-33-10 Pack of 10 38 x 33 x 38 mm
€10.34 €10.34
Replenishment in progress
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LH.CBU1-41-10 Pack of 10 41 x 33 x 25 mm
€11.98 €11.98
Replenishment in progress
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LH.CBU1-38-10 Pack of 10 42 x 38 x 40 mm
€18.97 €18.97
Replenishment in progress
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LH.CBU1-35-10 Pack of 10 45 x 35 x 36 mm
€14.79 €14.79
Replenishment in progress
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LH.CBU1-40-10 Pack of 10 49 x 40 x 40 mm
€23.03 €23.03
Replenishment in progress
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LH.CBU1-48-10 Pack of 10 54 x 48 x 33 mm
€23.30 €23.30
Replenishment in progress
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LH.CBU1-44-10 Pack of 10 58 x 44 x 45 mm
€27.09 €27.09
Replenishment in progress
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LH.CBU1-51-10 Pack of 10 60 x 51 x 57 mm
€38.46 €38.46
Replenishment in progress
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LH.CBU1-54-10 Pack of 10 64 x 54 x 25 mm
€24.62 €24.62
Replenishment in progress
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LH.CBU1-75-10 Pack of 10 90 x 75 x 39 mm
€52.83 €52.83
Replenishment in progress
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Ideal for setups with tubing (gas, vacuum, reflux) thanks to a single central hole providing secure passage for one tube.

Made from superior rubber resistant to acids, alkalis and ammonia, suitable for chemistry and quality‑control environments.

Wide range of conical sizes supplied in packs of 10 per size, making it easy to equip multiple flasks and workstations. For laboratory use only; users must ensure compliance with internal and local regulations (REACH, CLP, etc.).


AllLabo 1‑hole conical rubber stoppers are designed for laboratory assemblies that require the passage of a single tube or probe. Manufactured from superior‑quality rubber, they provide good resistance to acids, alkalis and ammonia, making them suitable for a broad range of chemistry and QC applications. The central hole enables easy connection of gas or vacuum tubing while maintaining a tight seal on the neck of the flask or bottle. With a wide size range supplied in packs of 10, these stoppers allow efficient outfitting of multiple flasks and workstations. For laboratory use only. The user is responsible for verifying regulatory compliance in their country (France and EU).

Technical features

Type: Conical rubber stopper with 1 central hole
Material: Superior‑quality rubber
Chemical resistance: Resistant to acids, alkalis and ammonia
Typical applications: Gas or vacuum lines, bubblers, reactors, culture bottles, teaching and R&D setups
Brand: AllLabo