BACKUP O-RING

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Watertight seal Backup O-ring for watertight seal on CP Gun and Deep C Meter readout lenses. Whenever the readout is removed, all three O-rings must be replaced. This is the backup O-Ring that seals the lens; one of them is required. Two primary O-Rings (#GSK0009) are also required. The price is for one O-Ring. Show more