Kessil's Mounting Arm is a premium mounting option that allows you to install Kessil Aquarium Lights directly to your tank. The Mounting Arm is adjustable in heights and from back to front (for 18" - 24" wide tank), together with advanced cable management to house the cable inside the arm, providing a perfect and sleek mounting option for rimmed and rimless tanks. It is compatible with A160, A360, and AP700 (require 2 for AP700).