Question: Sun Blaze T5 Fixtures

[Lightsluvr]

Does anyone have any experience with these fixtures?

http://www.aquacave.com/sun-blaze-t-5-48-lightbr-fixture-8-x-54w-lampsbr-by-sunlight-supply-699.html

Is the fact that these fixtures do not accept "protective lenses" create a problem with reef tanks?

Thanks.

LL