Fluval U4 Internal Filter
Offering 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. Now with new and improved design features!
- New sleek design
- New easy grip water control paddle
- New redesigned media cartridge – Traps more debris
- Designed for aquariums up to 240 L (65 US Gal)
- 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 vertically against aquarium wall to create currents or customized flow patterns
- Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement
- BioMax biological media included
- Made in Italy
- Ideal for freshwater, saltwater and reptile environments
We recommend using only genuine Fluval spare parts in their filters
2 Reviews Hide Reviews Show Reviews
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Fluval u4 Highly Recommend
I'm impressed with this filter It is very quiet underwater This filter is very easy to clean and maintain. Highly Recommend
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What have I been doing with my life?
I have a 150L tank and have had a trusty old filter for about 10 years. I recently bought the Fluval due to the old filter dying due to a thunderstorm. The Fluval has been insanely efficient, quiet and so easy to disassemble, clean and reassemble. Very very quiet. Made me regret all those times I was going to trade up to a new filter but didn't. I should have bought this years ago.
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For full delivery & returns details, please refer to our Shipping & Returns page.
FREE SHIPPING* Free shipping applies on nearly all products across our website with Australian shipping addresses only. Customers living in rural areas or purchasing bulky/fragile items are advised to reach out first before ordering. Offer cannot be applied to previous purchases or the purchase of gift cards and cannot be redeemed for cash. Offer cannot be used in conjunction with any other discounts. Orders will arrive to destinations within 3-7 business days where possible, with Authority To Leave only. If you do not wish to use this delivery method, other chargeable methods will be available at checkout.
CLICK & COLLECT Local Pickup is available for all South Australian customers only. Customers can visit our Edwardstown warehouse during business hours to pick up their orders. Simply choose the Local Pickup option at checkout and we will email you when your order is ready. Local pickup purchases made outside of SA will be automatically refunded.
