4 Gallon Nano Cube 25C Ultra Clear Low-Iron Rimless Aquarium - Ultum Nature Systems

4 Gallon Nano Cube 25C Ultra Clear Low-Iron Rimless Aquarium - Ultra Clear Tanks by Ultum Nature Systems These rimless aquariums are carefully crafted using 91% clarity Diamant glass, a highly transparent extra clear glass with very little residual green color.  The low iron content in the glass provides uninterrupted crystal clear visibility.   The 45° mitered edges are bonded together using high performance German silicone specifically designed for aquarium construction.  Each Ultra Clear Tank comes with a black leveling mat which is crucial so you don’t have to cut up your wife’s yoga mat. Specifications:4.1 Gallons45° Mitered Edges 91% Clarity with Diamant GlassHigh Quality German Silicon Laser Etched Logo Color: Ultra-Clear Low Iron Includes: Black Leveling Mat Dimensions : 9.84 x 9.84 x 9.84 Inches