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STOPPERS RUBBER BS2775 SOLID NO 71 PK 1Rubber 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

Simmerstat heat control

Accessory impregnated carbon filters are available for use in a wide range of extraction applications

Mikro 220 specifications:

charging stand

including Quarternay ammonium compounds

232 x 192mm W x D

universal containers

screws and dowels for fitting

Comprise centrifuge tube filtrate container with insert containing patented vertical membrane and thin channel filtration chamber

Attachment for petri dishes and culture flasks

fuel and air connections

With glass ceramic top plate 150 x 150mm