Fluval U3 Aquarium Stage 2 Poly Carbon Cartridge (2 Pack)
Fluval U3 Internal Filter Carbon Cartridge
Overall Rating: 2.5 / 5 (average from multiple review sources, as of 8 Feb 2026)
Based on a total of 46,321 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 46,321 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
In stock. Express Delivery available with Amazon Prime.
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£5.96
Delivery from £4.49
Fluval U3 Internal Filter Carbon Cartridge
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£6.09
Delivery from £3.95
Fluval U3 Internal Filter Carbon Cartridge
Cheapest Total Price
In stock
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Direct debit
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Visa
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Mastercard
£6.73
Free Delivery
Fluval U3 Aquarium Stage 2 Poly Carbon Cartridge (2 Pack)
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Feb 2026)
Based on a total of 117,918 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 117,918 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 days
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PayPal
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Mastercard
£7.29
Free Delivery
Fluval U3 Internal Filter Carbon Cartridge
In stock
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Direct debit
Visa
Visa
Mastercard
Mastercard
£7.29
Free Delivery
Fluval U3 Internal Filter Carbon Cartridge
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£7.29
Free Delivery
Fluval U4 Filter Clearmax Cartridge
In stock
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Mastercard
£8.00
Free Delivery
Fluval U3 Poly/Carbon Cartridge 2pcs
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Feb 2026)
Based on a total of 614 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 614 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 days
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£8.04
Free Delivery
Fluval U3 Internal Filter Carbon Cartridge
In stock
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Visa
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Mastercard
£8.20
Free Delivery
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Fluval U3 Internal Filter Carbon Cartridge - Details
▶ Finding you the best price!
We have found 9 prices for Fluval U3 Internal Filter Carbon Cartridge. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Fluval U3 Internal Filter Carbon Cartridge - Price Information
- Cheapest price: £5.96
- The cheapest price is offered by amazon.co.uk . You can order the product there.
- The price range for the product Fluval U3 Internal Filter Carbon Cartridge is €£5.96to €£8.20 with a total of 9 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk .
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£5.69
Amazon-marketplace.co.uk
Delivery from £3.95
Fluval U3 Poly/Carbon Cartridge
£11.15
onbuy.com
Free Delivery
£9.65
amazon.co.uk
Delivery from £4.49
Fluval U3 Internal Filter Carbon Cartridge (Pack of 2)
£11.92
amazon.co.uk
Delivery from £4.49
£5.66
amazon.co.uk
Delivery from £4.49
Cheapest offer
Provides effective chemical filtration Custom fit for the Fluval U3 Filter Traps fine debris, improves water clarity and removes impurities Easy to replace Works in freshwater, marine or reptile environments
£5.96
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
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