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The AI HMS Rail 72" is the largest rail in the HMS line, sized for aquariums from 61 to 72 inches long, letting you mount multiple Hydra LED lights in a row for even coverage across a large tank. The rail itself measures 73.5in — sized 1.5in longer than its rated tank length for proper end clearance. Fits aquariums: 61in to 72in long Actual rail length: 73.5in Compatible with: all Hydra LED light models and versions Requires: HMS 2-ARM kit or HMS Hanging Kit (sold separately) to mount the rail itself Sizing rule of thumb: add 1.5in to your tank's total length and choose the closest HMS rail size that's longer than that number. Compatible replacement parts: HMS brackets and arm/hanging kits for the 72in rail.
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🇺🇸 Ship from USA · On Agora since 2026
$139.99