Increase the light yield in your aquarium by more than 100 with the new hiflex reflectors r the special geometry of this new generation of reflectors reflects the light of your t5 or t8 lighting at an optimum angle and thus maximises the light yield in your aquariumr thanks to the replaceable reflective film hiflex reflectors always guarantee optimum results even after a long period of user r juwelhiflexreflectors are available for the following light tubesr reflector 438 mm suitable fo