The Flash Wall Washer is a third wall-washing option in T21's Type C range, at 7W (D62xH65mm) or 12W (D83xH80mm) — distinct dimensions from both Splash variants, with a notably deeper H65-80mm profile compared to Splash's flatter H42-52mm bodies. White finish. On/Off and RF+BT app-controlled versions.

The deeper body suggests a different internal optical approach to achieving the wall-wash beam pattern compared to Splash's flatter construction — without a specific technical distinction confirmed in the available data, the practical takeaway is that Flash and Splash represent genuinely separate product designs rather than variations on the same housing, evidenced by their different dimensional footprints at matching wattages. A project choosing between the two should base the decision on which specific wash character and coverage pattern suits the wall in question, ideally confirmed against a physical sample where the finished result matters critically.

Flash's dimensions at 7W and 12W scale together — both diameter and height increase from the smaller to larger wattage, following the more conventional scaling pattern seen across most of T21's range, rather than a fixed-footprint approach.

Electrical contractors specify Flash as an alternative wall-wash option when Splash's specific dimensions don't suit a particular installation constraint, or simply as a design variation where a different fixture profile is preferred for the same wall-washing function.

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What is the actual difference between Flash and Splash Single Side, given both are single-direction wall washers?

Both perform the same wall-washing function, but Flash's dimensions (D62-83mm, H65-80mm) differ notably from Splash Single Side's (D55-85mm, H42-52mm), with Flash running a deeper profile. Without a specific confirmed technical distinction in optical design, treat them as genuinely separate product options and confirm which best suits a specific project's constraints directly with T21.

Does Flash's deeper H65-80mm body require more ceiling void depth than Splash?

Yes, comparably — Flash's height figures run notably higher than Splash's H42-52mm range, so confirm adequate ceiling void depth specifically for Flash before specifying it over the flatter Splash options in a depth-constrained installation. Given three distinct wall washer options now exist in T21's catalogue — Splash Single, Splash Double, and Flash — a project with multiple wall-washing needs across different areas may benefit from a single WhatsApp consultation covering all three, rather than specifying each in isolation.