Mounting frame er for ventilation screen alg-o and alg-d

Dimensions and technical details Mounting frame for ventilation screen series CasaFan ALG-O and ALG-D Size selectable: ER 225/125 to ER 1025/325 Easy to install in walls, ceilings, panels and ducts Type Description ER 225/125 Mounting frame for ventilation screen ALG-O, ALG-D 225/125mm ER 325/125 Mounting frame for ventilation screen ALG-O, ALG-D 325/125mm ER 325/225 Mounting frame for ventilation screen ALG-O, ALG-D 325/225mm ER 425/125 Mounting frame for ventilation screen ALG-O, ALG-D 425/125mm ER 425/225 Mounting frame for ventilation screen ALG-O, ALG-D 425/225mm ER 525/125 Mounting frame for ventilation screen ALG-O, ALG-D 525/125mm ER 525/225 Mounting frame for ventilation screen ALG-O, ALG-D 525/225mm ER 525/325 Mounting frame for ventilation screen ALG-O, ALG-D 525/325mm ER 625/125 Mounting frame for ventilation screen ALG-O, ALG-D 625/125mm ER 625/225 Mounting frame for ventilation screen ALG-O, ALG-D 625/225mm ER 625/325 Mounting frame for ventilation screen ALG-O, ALG-D