TECEdrainline design grate "quadratum" polished or brushed stainless steel for shower channel Design grate for TECEdrainline shower channel (straight) made of polished stainless steel/brushed stainless steel for fitting into the channel body, load class K3 – test load 300 kg. Maximum slip resistance for wet loaded barefoot areas, Class C to DIN 51097 (for brushed surface). Item number: 601251