Keldan O-Ring kit 4/8 screw cap
A genuine O-ring service kit for the screw cap of the 4/8 series lights. Fresh, correctly-sized O-rings and lubricant are the cheapest insurance against a flood — replace yearly or after any nick.
For these lights:
Genuine Keldan part, Swiss-made. Price on Scubapix: A$12.29 ex-GST (A$13.51 inc-GST).