Yea you do but it's a little overkill for just ambient heat, it's more for a basking spot, but they are flat and you just mount them to the inside roof to your enclosure. Now that I'm thinking about it it's prob more for a snake like a green tree Python that doesn't go into a hide. Is it a screen top?
Yes, with foil.
My babies
-Rooples: 2016 normal 0.1
-Papyrus: 2016 Kingpin 1.0