STOPPERS RUBBER BS2775 1-HOLE NO 25 PK 20 Ear Protection With three prongs fitted with

With three prongs fitted with heat resistant sleeves

digital Pirani gauge and reading head for vacuums in the range 1000 to 10–3 mbar

Small footprint and compact design

Approximate diameter as stated

Care must be taken to prevent rupture of paper

STOPPERS RUBBER BS2775 1-HOLE NO 25 PK 20 Ear Protection With three prongs fitted withRubber 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