Fluval U4 Underwater Filter Treats it’s built to last under

it’s built to last under normal aquatic conditions

We developed Tomlyn Laxatone Gel for cats who have problems passing hairballs

Features a high-quality plastic running surface is safe and comfortable for your furry friend's feet

Turquoise and Cherry Red

Fluval U4 Underwater Filter Treats it’s built to last underOffering outstanding 3 stage filtration, increased water movement and vital aeration, Fluval U Series internal filters are the perfect solution where external filtration is not possible. Designed for aquarium up to 65 gallons Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature Position