The sand trap louver STL is used as prefilter for the protection of HVAC systems or building interiors in locations with sand or large dust particles in the air. For installation in external walls. In the back there is wire mesh 6X6 mm for protection from leaves, insects, small animals and other objects. In the bottom there are holes for self cleaning. Manufactured from galvanized steel sheet. Electrostatic paint in RAL color is possible. The wire mesh is from galvanized steel.
