UNS Prism 25TM Rimless Aquarium Set Click here for aquarium MAP and MSRP UNS rimless aquariums are crafted from 91% clarity Diamant glass, an exceptionally transparent glass with minimal residual green tint, providing uninterrupted, crystal-clear visibility. The Prism line of rimless aquariums features 45° mitered edges with an included lid that sits inset, resulting in a secure, sealed fit. The lid itself contains a central opening for air flow and easy removal when maintenance is required. Key Features Prism rimless aquariums feature mitered joinery and edges that allow the included lid to sit flush, inset. Available in 3 popular sizes. 20TM Prism Aquarium 30TM Prism Aquarium Included lid contains an opening in the center for easy removal and proper ventilation. Product Specifications Dimensions: 9.84 x 9.84 x 14.17" / 25 x 25 x 36CM Glass Thickness: 5mm Volume: 5.9 gallons / 22.5L What's Included UNS 25TM Prism Rimless Aquarium Proprietary 25TM glass lid