DemonicSandwich
Member
The F# is the wattage of the bulb and the T# is the diameter of bulb in 1/8's inched.I apologise, going from memory I thought a F32T8 tube is 8" length (T8)?
I seem to remember a F4T5 was 4W and 5" length.
F4T5 = 4 Watt, 5/8 inch diameter.