Lily Pipe Spin was designed specifically for a 45cm wide aquarium and smaller. It creates a circling flow of water inside its loop section and slows the speed of water flow. Install this pipe to Super Jet Filter ES-300, and it will be the best filtration system for small-size planted aquariums. The inflow pipe, LILY PIPE Mini V-2, which is compatible with the aquarium size 22 - 30cm of depth, is also available now!Specifications for P-1 (10mm) Total Length: 150mm Glass thickness: Fits on tanks with 5mm~6mm thickness Diameter: 10mm Specifications for P-2 (13mm) Total Length: 150mm Glass thickness: Fits on tanks with 5mm~6mm thickness Diameter: 13mm Article Code Item Pipe diameter(mm) Height(mm) Filter flow rate(L/min) Glass thickness(mm) - 102-417 Spin P-1 Ø10 150 10 5 - 102-418 Spin P-2 Ø13 150 10 5〜6 -