Central concealed channel grille for oor recessing with 10 mm wide drainage groove and ap with a height that can vary from 0 to 75 mm. Classied as class A15, according to EN124:1995. Suitable for indoor/outdoor areas used exclusively by pedestrians and cyclists. It can be combined with all types of channels from our range, such as anchor rings, sheet metal channels, PP channels, polymer concrete channels, etc. Made of galvanised sheet metal or AISI 304 stainless steel, in standard catalogue sizes or in customised sizes according to customer requirements.