Outer Diameter: 127 mmDepth Including Bulb Holder:
None just comes with the backing nut bulb holder and the gasket
Commonly Used With:
Spa Power systems
This fitting allows you to connect any of the 5 Inch Variable Colour LED (Davey)Assemble through the spa shell with silicone you can use a gasket instead of the silicone but not both together as this often causes the gasket to splurge out the side and would cause a leak.