I FOUND IT!
It's a Zoomed product.
Zoo Med Turtles Heavy Duty Halogen Lamp
by Zoo Med
$8.89 & FREE Shipping on orders over $35.
Size: Small (not tiny like low voltage track lights)
Long lasting average 2500 hour lamp life
Makes animals colors appear richer
Heavy duty splash proof lens
Generates UVA only
31 new from $7.34
I have to say I don't know the spectral microwatt/cm^2 distribution for any UVA-output lamp. So in my 50 gallon viv, I'm hanging only one 50 watt lamp..
How 'bout That!