Wall back filter exhaust grilles SagiCofim Technical features AH 200 and AH 280 back filter exhaust grilles are made as follows: • AH 200: extruded aluminum frame. Fixed horizontal profiled vanes, anodized, 40° bent. • AH 280: extruded aluminum frame. Central aluminum square grid 12.5 x 12.5 mm. Both models have an extruded aluminum frame for 12 mm thick filters, mod. PFC (G2 class). The front part is hinged to frame, with mechanical closure through hidden spring. For installation on horizontal ceiling, versions AH 200 / N and AH 280/ N are available, identical to the standard version with hidden safety screw closing. The installation is on the internal side of the frame, therefore hidden. size (mm) wall grille wall grille PFC filter ceiling grille ceiling grille Technical draft * Overall dimensions 600 x 600 (for overhanging installation on false ceiling) Dimensions PFC filter, 12mm thickness, G2 efficiency for AH 200 - AH 280 versions; nominal dimension of the grille less than 25 mm; AH 200/N - AH 280/N: nominal dimension of the grille less than 5 mm.

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