The interior of the tank is made of 1

The cowl ventilators can revolve and are removable

Series 25 offer the same O-ring seal as do all Aqua Signal Lights for watertight operation

The Challenger 45 LED light is for underwater installations (IP68)

6 x internal diameter

Idea Outlet, Australian, 2P+E, 10A/250V Bracket The interior of the tankIdea Outlet, Australian, 2P+E, 10A 250V, 2 Modules, SICURY, Grey What does SICURY mean? For additional safety, the SICURY products have a patented mechanism that closes automatically when the plug is pulled out and prevents accidental contact with live components. Interesting tidbit the patent was filed by Vimar in 1968, but after it was developed they soon decided to allow it to be used free of charge by all competitors as safety was their primary