Aura is the state of the art of all Orphek’s mounting solutions designed specifically for the installation and positioning of Orphek OR LED Bars only. Aura has its brand’s quality and conceptual design upscaled to the highest level of technological development and novelty. Made entirely of one block of acrylic, Aura has outstanding strength, stiffness and optical clarity! (COMPATIBILITY) Compatible with OR/OR2/OR3/OR4 iCon LED Bar Lights (of all sizes). Compatible with all sizes of aquariums as long as they are rimless glass tanks (VERSATILE) Discreet sleek transparency that fits in any room with any kind of interior design. It‘s easy to install, allowing easy cleaning and maintenance of your aquarium and your fixtures (LAYOUT) Mounts directly to rimless aquarium glass till 20mm/0.78 inches maximum. The transparent acrylic vertical mounting arms size is 235mm /9.25 (WARRANTY & CUSTOMER SUPPORT) Amazon 30 days return guarantee plus Warranty and Support from Orphek. Also if you have any questions, please contact us via Amazon Q&A section.