STOPPERS RUBBER BS2775 2-HOLE NO 15 PK 20 1 Mark Bulb Pipettes Class B Both door edges and frames

Both door edges and frames have 30mm wide

suitable for fermentation and certain culture work

Number of tubes  x capacity  Tube diameter   x length

Hunter lab colour space

STOPPERS RUBBER BS2775 2-HOLE NO 15 PK 20 1 Mark Bulb Pipettes Class B Both door edges and framesRubber 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