GRU-V systems are designed for air disinfection - vertical wall or horizontal suspended mounting.
UV lamps are mounted longitudinally in a food/medical grade stainless steel duct unit with integral fan. Fan is sized to move an appropriate volume of air to achieve 4 log kill (99.99% disinfection) of viruses.
Philips PL-L or equivalent [55w x 2] or [95w x 2] lamps are used for 60m3/hr or 100m3/hr airflow.
FEP sleeves are used to keep bulbs clean and safe if broken. Bulbs have 8000 hour life.