21x21 Plastic grate (grey), A ClassThis plastic grate works perfectly with the Vodaland 22x22 Base plastic catch basin and is A class load rated (Pedestrian loads). Check the drawing to make sure that the dimensions work for your project. The grey colour of this plastic grate looks elegant and is visible without being garish. ADA compliant and pedestrian load rated, our 22x22 Base plastic catch basin grate (grey), A class is an excellent choice for the larger, 22x22 catch basins. It is