Not required., Water channel., Drainage profile., Removable insect mesh., Filter., Flangeless frame (without flange)., Glazed-in louvre 415., Stainless steel 304 mesh, 2.3 x 2.3 mm., Stainless steel 304 mesh, 10 x 10 mm., Stainless steel 304 mesh, 20 x 20 mm., Stainless steel 316 insect screen (2.3 x 2.3 mm)., Stainless steel 316 mesh, 2.3 x 2.3 mm., Stainless steel 316 mesh, 10 x 10 mm., Stainless steel 316 mesh, 20 x 20 mm., Spring clips (small dimensions).