SunBlaster T5HO 6400K Replacement Lamp 48" new_additions In most climates

In most climates

And why are there two numbers

they are perfectly happy making a nest right next to each other

Output Rate: 8

Ballast Performances: Lamp: 1000W Input Volts: 120V-240V Nominal Line Amps: 9

SunBlaster T5HO 6400K Replacement Lamp 48" new_additions In most climatesDescription Product Details: SunBlaster 6400K T5HO Replacement Lamp, 48" SunBlaster 6400K T5HO Replacement Lamp, 48": SunBlaster T5HO replacement lamps are the right choice when re lamping T5HO lighting fixtures. It is recommended to change lamps after 10,000 hours of operation to ensure maximum growing performance and results from the T5HO lighting system. Product Features Include: High Quality, Efficient 54 Watt Design Fits Fixtures Requiring 48"