STOPPERS RUBBER BS2775 2-HOLE NO 27 PK 10 Wide Neck PPR Bottles timed lighting adjustable in one-minute

timed lighting adjustable in one-minute periods by repeatedly pressing the switch for the required number of minutes operation and low-voltage power supply

Adjustable count pressure sensitivity

5mm cells    3/2Iod  5 to 250mg/litre   Potassium iodide  13

Push-button

STOPPERS RUBBER BS2775 2-HOLE NO 27 PK 10 Wide Neck PPR Bottles timed lighting adjustable in one-minuteRubber 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