General dimensions Selection table Curved-blade supply grilles Product description The curved-blade grilles, KOOLAIR 26 model, of LxH dimensions specially designed to provide any type of discharge: from absolute horizontal to total verticality, whether ceiling- or wall-mounted. Supplied in 1,2, 3 and 4 airflow directions. Can include volume control damper (-O). Natural anodized aluminum finish (uncoated). Other models 26-1. Curved-blade grille, 1-way air discharge. 26-2. Curved-blade grille, 2-way air discharge. 26-3. Curved-blade grille, 3-way air discharge. 26-4. Curved-blade grille, 4-way air discharge. Mounting With pressure clips. Mounting frame needed (-MM). Conceled fixing (-SFO). Mounting frame needed (-MM). With screws. Without indication, the grille is provided with holes for screwing the mounting frame. With plenum box made of galvanised steel sheet, side or top entry connection (-PE21/20). The Selection Table shows a summary of dimensions. Other sizes available. Consult the Sales Department.