Mega Mag is a powerful magnetic cleaner for large tanks, with plate thicknesses up to 55 mm. As with the smaller models in the Mega Mag range, the cleaning pads can be easily renewed or a Plexi Pad can be installed for cleaning acrylic tanks. Dimensions:- Model - AM67000 :- 10.2 × 15.8 × 9.9 cm Model - AM67001 :- 14.2 × 18.8 × 13.7 cm Model - AM67002 :- 21.1 × 20.6 × 24 cm