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12/21 stopper for 49FV5012/21 = 12mm diameter at the top of the tapered cone and 21mm is the height of the tapered cone. The octagonal top is excluded from these measurements.

This 100 mm diameter glass cover is designed to fit securely over tall and low-form gas jars, ensuring safe containment of collected gases during laboratory experiments. Made from clear, durable glass, it allows easy observation while preventing gas escape.Key Features- Diameter: 100 mm- Compatible...

This robust silicone square tubing is ideal for vacuum applications in school and laboratory settings. Its 20 mm square profile helps it sit flat on the bench, making connections more stable and reducing rolling during setup.Key Features- Strong silicone tubing suitable for use as vacuum line in lab...

These Porcelain Spotting Tiles are durable, chemical-resistant labware designed for repeated classroom and laboratory use. Each tile features 12 concave cavities, making them perfect for comparing small-scale reactions, testing indicators, or observing colour changes during chemistry experiments.Con...

Solid Natural Rubber Lab Mats are useful in all laboratories wherever additional bench protection and anti-skid properties are required. 300mm square X 12mm thick.

This rubber Bunsen Burner tubing has reinforced ends to fit snugly to the Bunsen and gas tap riffled fittings. 600mm length, 8mm diameter holes at both ends.

Made of natural rubber, these Flask Sleeves are designed for glass filter flasks. They enable a clean, firm seal between funnels, vacuum filters, and the flask, helping to avoid direct glass to glass contact and providing a cushioning effect. Set of 7 sleeves ranging from 11mm Bot. Diam. & 22mm Top...

This silicon rubber flask stand has a 12-step inner wall for good stability, providing better grip than the more rigid polypropylene models. Suitable for round bottom flasks.Temperature Range: -50 to 250 deg C.

This robust silicon tubing has an 8mm ID, 20mm Square format and 6mm Wall. Popular for vacuum tubing and sits flat on the bench. Price is PER METRE.

80 strips.

80 strips.Wine Indicator Strips

80 strips.(Replaces Cat. No. 48PNR3 and 48PNS36)Beer Indicator Strips

80 strips.(Replaces Cat. No. 48PNR4 and 48PNS57)

80 strips.

80 strips.(Replaces Cat. No. 48PNR6)

80 strips.(Replaces Cat. No. 48PNR6 and 48PNS67)

80 strips.(Replaces Cat. No. 48PNR7)

80 strips.

80 strips.(Replaces Cat. No. 48PNR12)

Top Washer for Telescopic Rod for the 25ml Standard Diji Cat. No. 49DJ25.

This small metal washer fits between the knurled nut and the domed washer on Standard dijis.

This washer goes below the red washer in the Standard 25ml diji seal assembly.