The UV420, a new UV grow-light, delivers vital UV-B (280-315nm), UV-A (315-400nm) and blue light (400-495nm). Adds the 280 - 495 nm missing from PAR lights. Economically tailored to suit crops and growth cycles. Excellent illuminance to penetrate plant canopies. High lumen maintenance prolongs output. Small light source minimises luminaire shadowing. UV reduces incidences of diseases and pests.