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The Aquaillumination Prime Flex Arm is designed for the AI Prime HD lights. The arm is very robust and can be used on any type of aquarium rim up to 1.20" (30mm). The flexible portion of the arm has a silicone coating allowing easy cleaning while protecting it from moisture.


One of the biggest issues with mounting lights can be wire management, and the Flex Arm even has that covered, supplying clips that can attach directly to the Flex Arm and secure the power cord for the Prime LED, keeping things neat and clean.

AI Hydra Prime Flex Arm

PriceFrom $30.99
  • The included set screw system allows you to twist the arm within the base letting you fully secure your Prime LED to the screw attachment point. After your Prime has been snugged to the Flex Arm, you can loosen the set screw located within the base and twist the arm until it is perfectly flat, then tighten the set screw (do not over tighten the set screw, hand tighten only).

    • Easy Installation
    • Wire management clips
    • Soft coated arm
    • Compatible with Rimmed or Rimless tanks up to 1.20" (30mm)

    Note: When installing the Flex Arm do not adjust the arm while it is mounted to the rim of any tank. Excess force from adjustments may put excess stress on the glass or acrylic.