Lid For Fluval Flex® 15 Gal.Constructed with high strength, non fading clear plastic this is a major upgrade to all Fluval flex tanks. New replacement lids for Fluval Flex 15 gallon fish tank include many great features and possibilities that are not available with the stock lid. Features: Hinged lid for easy access Tabs holding lid in place (no sliding) Cut outs for lights and wires Clean, simple design Breathable holes for air flow Style Option: No hinge = no back cover or