AlmaquaMetal Grating for Retention BasinManufactured in galvanised steel Rectangular or square format; Metal grid (galvanised steel) Technical sheet BUY. WIDTH HEIGHT WEIGHT VOLUME 30 LTS 600 mm 600 mm 30 mm 7 kg 30 L 60 LTS 600 mm 1200 mm 30 mm 13.4 kg 60 L