Envirotech Systems Limited is a manufacturer of Sand Trap Louver systems that are used to safeguard the HVAC systems against sand, dust, and airborne particles. We have designed our louvers to be very efficient in air flow and also to keep the coarse particles trapped before they join the mechanical systems. These systems are ideal in industries, commercial, and coastal settings and contribute extended life to equipment and save on maintenance. Our solutions are made with materials that cannot be destroyed easily, and this ensures that the quality and performance is of high quality.