Roof outlet, induction, four directions (ανάλογο του Ο4) with square frame of steel plate painted in RAL color or of anodized aluminum in its natural color. Με κατάλληλα ανοίγματα διέλευσης αέρα εφοδιασμένα με πτερύγια οδήγησης του, πλαστικά χρώματος μαύρου (RAL 9005) or white (RAL 9010). The fins are manually adjustable and can adjust the shape of the air beam. For heating and cooling applications. For installation at low and high heights and for a wide range of air supply. Noise and pressure drop constant regardless of vane position.

Also available in the following versions:

• GR-Ο4-D: With aluminum damper with at the same time, counter-rotating vanes.
• GR-Ο4-A: With a square frame of mineral fiber dimensions (595x595mm out-out).
• GR-Ο4-A-D: With a square frame of mineral fiber dimensions (595x595mm out-out) and aluminum damper with at the same time, counter-rotating vanes.

Στα στόμια GR-Ο4-A(-D) το ενεργό μέγεθος μπορεί να είναι 300 the 400 the 500. In size 600 the outside-outside dimension of the mouth is 595x595mm and the effective size 550.