CEACA21 4 bodies, 2 rows, 4 doors, stainless steel, working temp 0°C CEACZ21 4 bodies, 2 rows, 4 doors, plastic-galvanized steel, working temp 0°C CEACA22 4 bodies, 2 rows, 4 doors, stainless steel, working temp -20°C CEACZ22 4 bodies, 2 rows, 4 doors, plastic-galvanized steel, working temp -20°C