Rubber Stopper Manufacturer,Supplier and Exporter in India
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Product Code : EL-CL-11702
Jlab Export is a leading Rubber Stopper Manufacturer,and suppliers in India
Rubber Stopper (code EL-CL-11702) is the Hole No. 7 size with two holes, model JL 144/40.5, the widest in this series at 26.0 mm across the top, 20.0 mm at the bottom and 27.5 mm high. JLab produces the stopper from chemical-resistant rubber in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Model No. | JL 144/40.5 |
| Size | Hole No. 7 |
| Top diameter | 26.0 mm |
| Bottom diameter | 20.0 mm |
| Height | 27.5 mm |
| Material | Rubber, chemical resistant |
| No. of holes | 2 |
| Quality check | Each rubber stopper is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 50 units |
| Dispatch time | Usually 3–5 working days |
| Product code | EL-CL-11702 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Using the Two Holes
One hole can carry a thistle funnel and the other a delivery tube, the usual way to prepare a gas in a flask. Wet the glass and twist it through the rubber gently, holding the tube close to the stopper with a cloth around your hand.
Related Gas Preparation Parts
- Thistle Funnel — borosilicate funnel for adding liquid through one hole.
- Delivery Tube — glass delivery tube to lead the gas away.
- Rubber Stopper — solid No. 7 of the same size, without holes.
The rest of the glassware for this set-up is in Chemistry Lab, under Chemistry Lab Equipment.
Request a Quote
Request it with Add To Cart, or give the quantity, size No. 7 two-hole and your delivery location on the contact page.
Last updated: 25 October 2026
