Deep Blue Professional 55gal Tank Black 48x13x20 Deep Blue Professional - DB Standard Glass Aquariums Model 55 Aquarium Built to Last, Designed to Impress Features: Universally sized injection molded frames, industrial strength black seal, thickest distortion free glass in industry, diamond polish edges, and tempered glass technology (select models) Ideal for both freshwater & marine aquaria Size - 48x13x20 Black Injection Molded Frame & Seal Optional Components: Glass Canopy - ADB34813 Cabinet - ADB25055 & ADB26055