Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: JBJ 6 Gallon Nano Cube Aquarium with (2) Nite-Vu LED Moonlights
Product description: The Ultimate Desktop Biotope!JBJ is proud to announce that our Nano Cube family has just gotten a little bigger, 6 gallons to be exact. The newest edition is the most compact Nano Cube to date, and will virtually fit on any desktop or counter area to add a contemporary look feel of a BIG TANK performance in a Nano Cube environment. But, don`t be mislead by its small size because our new 6g Nano Cube delvers 3 watts per gallon of high intensity JBJ compact fluorescent light output during the day and our new Nite-Vu LED moonlighting illuminates nocturnal behaviors with natural rhythmic shimmering throughout the night.Advanced Features:6 Gallon Glass CubeOffers Panoramic viewing with smooth rounded corners. Provides the ideal dimensions for a mini-reef tank that requires depth for proper rock stacking.Integrated 3-Stage FiltrationDiscreetly hidden with a newly redesigned filter for better surface skimming. Provides maximum space for tank inhabitants. All models now include an output return nozzle for directional flow control. A 106 GPH submersible pump is included. Mechanical - Sponge filter detritus and free floating paticulate matter. Chemical - Activated Carbon bag removes dissolved organics and odor. Biological - Ceramic Rings Bioballs provide the ideal environment for beneficial bacteria FISH ONLY tanks.Fan-Cooled "Flip Top" CanopyOur new redesigned canopy offers (2) 50x50mm cooling fans that drawout the heat generated by the lamp before it has time to warm up your water temperature. Our unique canopy draws air in through the sides and pushes the warm air through our new ventilated reflector and up through the fans for a cool running cube. Our new canopy sliding track allows for easy lifting and securely holds the canopy in place for routine maintenance. The front of the canopy flips back for quick access for feeding.JBJ Compact Fluorescent Lighting + Nite-Vu LED MoonlightingIncludes (1) 18 Watt 50/50 CF lamp for daylight operation and (2) Nite-Vu LED
Product brand: JBJ Lighting
Target attributes: Tank Size
Answer: attribute: tank size
value: None
source: None