H15 P25 grating in perforated sheet metal with generously sized air inlet for concave tiles.
H17 grating in expanded plate with generously sized air inlet for concave tiles.
Grating in expanded plate with generously sized air inlet for San Michele concave tiles.
Grating in expanded plate with generously sized air inlet for large FBM concave tiles.
H17 grating in perforated sheet metal with generously sized air inlet for large concave tiles.