A clamping system for mounting a filter housing to a wall structure, said clamping system including a filter housing clamping flange arranged on a front side of the filter housing, and being adapted to abut a front side of the wall structure; a first locking plate (4, 44) having a longitudinal direction (y), and including a locking plate clamping surface (5, 45) extending along a longitudinal side of the locking plate and being adapted to abut a rear side of the wall structure; a first engagement component (3a, 43a) associated with a filter housing wall on a distance from the filter housing clamping flange; the system being characterized by comprising a puller, and by said locking plate being configured to cooperate with the puller via an abutment surface associated with the locking plate (4; 44) and being adapted to engage with a part of the puller, and said locking plate (4; 44) further being configured to cooperate with the first engagement component (3a, 43a) via a second engagement component (8a, 48a) arranged in the locking plate, wherein one of said first and second engagement components (3a, 43a; 8a, 48a) is a retainer bracket (12a, 42a), and the other of said first and second engagement components (3a, 43a; 8a, 48a) is a push edge (13a, 46a) comprised in a push opening (14a, 50), said push edge (13a, 46a) being an inclined edge adapted to engage with the retainer bracket, said puller being configured to manipulate the abutment surface (7, 47) so as to move the locking plate (4, 44) in the longitudinal direction thereof, such that the inclined push edge (13a, 46a) of the push opening and the retainer bracket (12a, 42a) interact to push the locking plate in a transverse direction thereof and toward the filter housing clamping flange, thus clamping the wall structure between the filter housing clamping flange and the locking plate clamping surface (5, 45). a filter housing clamping flange arranged on a front side of the filter housing, and being adapted to abut a front side of the wall structure; a first locking plate (4, 44) having a longitudinal direction (y), and including a locking plate clamping surface (5, 45) extending along a longitudinal side of the locking plate and being adapted to abut a rear side of the wall structure; a first engagement component (3a, 43a) associated with a filter housing wall on a distance from the filter housing clamping flange; the system being characterized by comprising a puller, and by said locking plate being configured to cooperate with the puller via an abutment surface associated with the locking plate (4; 44) and being adapted to engage with a part of the puller, and said locking plate (4; 44) further being configured to cooperate with the first engagement component (3a, 43a) via a second engagement component (8a, 48a) arranged in the locking plate, wherein one of said first and second engagement components (3a, 43a; 8a, 48a) is a retainer bracket (12a, 42a), and the other of said first and second engagement components (3a, 43a; 8a, 48a) is a push edge (13a, 46a) comprised in a push opening (14a, 50), said push edge (13a, 46a) being an inclined edge adapted to engage with the retainer bracket, said puller being configured to manipulate the abutment surface (7, 47) so as to move the locking plate (4, 44) in the longitudinal direction thereof, such that the inclined push edge (13a, 46a) of the push opening and the retainer bracket (12a, 42a) interact to push the locking plate in a transverse direction thereof and toward the filter housing clamping flange, thus clamping the wall structure between the filter housing clamping flange and the locking plate clamping surface (5, 45).