STOPPERS NEOPRENE BS2775 SOLID NO 17 PK 20 Knives Bottle diameter x height 181

Bottle diameter x height 181 x 318mm

Harmful bacterial exhaust  fumes are removed  because of the particle size retention

dry heating of test tubes

Any probe or felt-tip marker is suitable for counting

mm 200 (435)   length

STOPPERS NEOPRENE BS2775 SOLID NO 17 PK 20 Knives Bottle diameter x height 181Rubber Stoppers to BS2775. Each stopper has a moulded in number, corresponding to the bottom diameter in millimetres. Hole drilling Natural rubber stoppers are available pre drilled. Where specified the hole diameter will be sizes: 3 and 4: supplied solid only 5 to 8: 1 hole of 3mm 9 to 105: 1 hole of 5mm 15 to 105: 2 holes of 5mm Neoprene rubber stoppers are available pre drilled to special order. Hole diameters are as given for natural rubber