Reefer-S 850 Original, G2 and G2+ ClearView LidThis lid will be produced in three sections without an overflow cutout. For ordering a G2+ model, please enter the internal L x D of the new G2+ tank in the order notes box, prior to checkout. If you do not, we will send a spec email requesting this information prior to programming your order. ClearView Lids was founded to create sleek, aesthetically pleasing, durable, alternative lid solutions for keeping your finned friends safely in your aquarium.