Round: 32 cm; lid: 38 cm; 110 mm
To keep fish out and to create strong suction on the bottom, use a drain with a cover. eccentric outlet for little sediment buildup. Round 20 cm and lid 22 cm in 50 mm.
Round: 32 cm; lid: 38 cm; 110 mm
Round: 32 cm; lid: 38 cm; 110 mm