●Mini Version: Height 23cm Lily pipe designed for small aquariums ●Removes oil film that interferes with photosynthesis of aquatic grass and improves water growth ●The pipe type allows you to smoothly suck water in 360 degrees to prevent clogging. Makes cleaning a breeze ●13mm outer diameter, compatible with 12/16mm filter hoses ●Package List: 1 surface skimmer water absorbing pipe, 2 suction cups, 1 plastic pipette