This product is similar to the 308E model, but with lower power. STRUCTURE Robust and resistant, the model ensures quality that remains unchanged over time and is covered by a full 2-year MO-EL guarantee, excluding the lamps which must be replaced annually. LAMPS The 2 powerful 20 W UV-A lamps generate a light output of 40 W for a useful irradiation of approximately 430 m2. The lamp holders are watertight in order to avoid excess polluting agents which could hinder the perfect functioning of the lamps. SAFETY Absolutely hygienic and safe, this model is approved by IMQ in class IPX 4.