Just rescaped my tank for a Betta. Its the Fluval Flex 34L. I've added sponge to the filter pump intake to help reduce flow, and once the plants grow in this should
Shrimp Grazing Intake Cover Fluval Flex and Fluval Spec - Etsy Sweden
Foam Filter Block for Spec/Evo/Flex Aquarium Kit - Fluval USA
Tank Divider Fluval Flex 15 9 and 32 Gallon Tank Separator - Etsy