Lumatek’s 50W Far-Red LED Bar is a supplemental fixture designed to extend ZEUS full‑spectrum frames with far‑red photons. It peaks at 730 nm and delivers an ePPF of 155 µmol/s (400–750 nm) at 3.1 µmol/J. The bar draws 50 W (±5%) at 230 V, is IP65 rated, passively cooled, and not dimmable. Dimensions are 1000 × 48 × 42 mm and weight is 1.2 kg. It supports daisy‑chain linking up to 18 bars; power and link cables are sold separately. Recommended integration: one bar with ZEUS 300W Pro 3.1 (1.2 × 0.6 m), two bars with ZEUS 465W/600W or 1000W frames (1.2 × 1.2 to 1.5 × 1.5 m), and three bars with ZEUS 1000W PRO EVO (1.5 × 2.0 m).