These are Osram Lumilux T5 fluorescent tubes designed for commercial and domestic use.
Average life 20,000 hours
For commercial installations the life at which 10% will have failed and relamping is recommended 16,000 hours
The tubes comply with RoHS Regulations and only safe levels of mercury are used


To help picking the correct tube here are some notes:

Power

The tubes have the option of 14watt, 21 watt , 28 wattsand 35 watts.  This is marked on the tube, eg in the picture below 18W means 18 watts.

The length of the tube determines the power
14 watts is  549mm long
21 watts is  849mm long
28 watts is  1149mm long.
35 watts is  1449mm long.

Light Colour

The tubes are available in the following colours:

Daylight 5400K - a white blueish light
Cool White 4000K a white light, often used in shops and offices
Warm White 3000K Warm light similar to traditional bulbs.

For quantities of over 100 tubes contact us for a quotation at sales@nzlightingltd.co.nz