Fluval U1 Underwater Filter - For Aquariums 55 L (15 US gal) Terrarium Substrates Offering a super-charged nutrient mix

Offering a super-charged nutrient mix plus beneficial living microorganisms that promote rapid

realistic aquarium plants with a twist…they glow in the dark

For the care and maintenance of ornamental fish fins and tissue in aquariums and ponds

Vitamin A supplement

Helps to reduce stress for small fish such as Betta's by creating shelter

Fluval U1 Underwater Filter - For Aquariums 55 L (15 US gal) Terrarium Substrates Offering a super-charged nutrient mixFluval U1 Underwater Filter provides efficient filtration to create superior aquarium water quality. The U1 Filter includes practical and versatile features, making it ideal for application in fresh, marine and reptile environments. It has a convenient flip top lid that allows quick and easy access to the filter cartridge for maintenance or replacement. In addition, the filter can be installed vertically against the aquarium wall to create currents or