Fluval U4 Underwater Filter - For Aquariums 240 L (65 US Gal) Fish Feeders Their color is glossy blue-black

Their color is glossy blue-black

Aside from daily misting

Made with a nutritious blend of plant and animal-based ingredients

or even as an object to make a playground even more exciting

natural atmosphere to your enclosure

Fluval U4 Underwater Filter - For Aquariums 240 L (65 US Gal) Fish Feeders Their color is glossy blue-blackFluval U4 Underwater Filter provides complete and efficient 3 stage filtration, including BioMax biological filtering, to create superior aquarium water quality. The U4 Filter includes practical and versatile features, making it ideal for application in fresh, marine and reptile environments. The filter provides the option of setting the flow output in 3 different positions, a key benchmark in underwater filtration. The adjustable 3 way flow control