Power supply for the Fluval LED. Available in different versions. Please choose the power supply that fits your LED lighting.A20430 - 24 V, 12 W: suitable for Nano LED, AquaSky LED 2.0 38-61 cmA20431 - 24 V, 15 W: suitable for Nano Plant LED, Flex 123, AquaSky LED 2. 0 53-83 cmA20432 - 24 V, 24 W: suitable for Plant LED 3.0 15-24 cm, Sea Marine LED 3.0 38-61 cm, Nano Marine LED, AquaSky LED 2.0 75-105, AquaSky LED 2. 0 83-106, AquaSky LED 91-122A20433 - 24 V, 36 W: suitable for AquaSky LED 2.0 99-130 cm, AquaSky LED 2.0 115-145A20435: suitable for 6.5 W LED SpotlightA20436 - 24 V, 48 W: suitable for Marine LED 3. 0 61-85 cm, Plant LED 3.0 61-85 cmA20437 - 24 V, 48 W: suitable for Marine LED 3.0 75 cm, Marine LED 3.0 91-122, Plant LED 3.0 91-122A20438 - 24 V, 60 W: suitable for Marine LED 3.0 122-153, Plant LED 3.0 122-153 cm