Screw covers - Import export

Galvanized and powder coated steel elements. The device permanently sited in the ground with concrete min. C-25/30. Structural posts protected with welded steel covers; bolts and screws protected with plastic end covers. Screw connections protected against corrosion by galvanizing.

Galvanized and powder-coated steel elements. Device permanently founded in the ground, concrete foundations with minimum class: C-25/30. Structural posts protected with welded steel covers; bolts and screws protected with plastic end covers. Screw connections protected against corrosion by galvanizing

The grilles have slanted ribs that protect against rain. They have insect netting and a frame that covers the mounting screws. They are easy to install - they have expansion claws. They can be used as intake or exhaust. They are suitable for both outdoor and indoor use.