hagen elite 220l/h ska klara kar upp till 20L, men man vill kanske ha lite överprestanda.
Aquael Turbo 350 borde funka skitbra om det var det du menade med överskriften.
"Universal internal filter for cleaning and aerating water in aquariums. Provides 3-mode filtration: mechanical, biological and chemical (cheap alternative for external canister filters), easy in assembly, adjustable water and air flow, 120 degrees adjustable output, easily cleanable sponge cartridge. Adjustable width of hanger. Can be upgraded by additional filtration module TUBE SET.
Wattage: 4,5 W, Max output: 350 l/h
Tank volume: 30-150 l "
30-150L klarar den , så då får man ju lite överprestanda =)
Aquael fan 1 utan "filter skal" funkar oxå utmärkt.