FOHSE’s Sirius Pro is a 100 W LED propagation fixture engineered for cloning and nursery racks. It integrates into 48 x 18–24 in shelves (approx. 122 x 46–61 cm) and is designed to sit close to young plants, with FOHSE recommending a 9 in hanging distance. The Pro model features three spectrum channels: 6500 K white, 660 nm red, and 730 nm far‑red, allowing simple spectral adjustment at the control board. Output is listed at 190 µmol/s PPF (options up to) with efficacy up to 2.5 µmol/J (options up to). The housing is IP66 rated for dust and water ingress protection and uses polycarbonate lensing for uniform canopy distribution. Published fixture weight is 14 lb (≈6.35 kg) and input voltage is 120–277 V.