Skip to content
Moving Sale! Up to 35% off thousands of items.
Moving Sale! Up to 35% off thousands of items.

Fluval Flex Aquariums & Parts


Filters

$
$

Fluval Spec, Flex and Evo Carbon 3 Pack

Original price $8.95
Original price $8.95 - Original price $8.95
Original price $8.95
Current price $7.60
$7.60 - $7.60
Current price $7.60
7 in stock.

Specifically designed for Fluval Spec, Flex and Evo aquariums, this premium, activated carbon provides critical stage-2 chemical filtration. The...

View full details
Original price $8.95
Original price $8.95 - Original price $8.95
Original price $8.95
Current price $7.60
$7.60 - $7.60
Current price $7.60
Save 15% Save %

Fluval Spec, Flex and Evo BioMax 42g

Original price $7.95
Original price $7.95 - Original price $7.95
Original price $7.95
Current price $6.75
$6.75 - $6.75
Current price $6.75
Out of stock

Specifically designed for Fluval EVO, Spec and Flex Aquariums, BIOMAX provides critical stage 3 biological filtration. BIOMAX's large surface area ...

View full details
Original price $7.95
Original price $7.95 - Original price $7.95
Original price $7.95
Current price $6.75
$6.75 - $6.75
Current price $6.75
Sold out

Fluval Spec, Flex 34 and Evo Foam Filter Block

Original price $11.95
Original price $11.95 - Original price $11.95
Original price $11.95
Current price $10.15
$10.15 - $10.15
Current price $10.15
Out of stock

Specifically designed for Fluval® SPEC, Flex and EVO aquariums, the Foam Filter Block provides critical stage 1 mechanical filtration by trapping l...

View full details
Original price $11.95
Original price $11.95 - Original price $11.95
Original price $11.95
Current price $10.15
$10.15 - $10.15
Current price $10.15
Sold out

Fluval FLEX 57L Curved Aquarium Stand

Original price $166.95 - Original price $179.00
Original price $166.95 - Original price $179.00
Original price $166.95
$141.90 - $152.15
$141.90 - $152.15
Current price $141.90
1 in stock.

This stylish aquarium stand is designed to coordinate seamlessly with the Fluval Flex 57L aquarium. Curved stand follows the smooth contours of t...

View full details
Original price $166.95 - Original price $179.00
Original price $166.95 - Original price $179.00
Original price $166.95
$141.90 - $152.15
$141.90 - $152.15
Current price $141.90
Save up to 15% Save %

Fluval Remote Control for FLEX Aquariums (A14761)

Original price $18.95
Original price $18.95 - Original price $18.95
Original price $18.95
Current price $16.10
$16.10 - $16.10
Current price $16.10
5 in stock.

Replacement Remote Control is suitable for the FLEX 34L and the FLEX 57L Aquariums (Item # 15004, 15005, 15006, 15007, 15008, 15009). Battery inclu...

View full details
Original price $18.95
Original price $18.95 - Original price $18.95
Original price $18.95
Current price $16.10
$16.10 - $16.10
Current price $16.10
Save 15% Save %

Fluval Foam Filter Block for Flex 57 & 123 Aquarium

Original price $12.95
Original price $12.95 - Original price $12.95
Original price $12.95
Current price $11.00
$11.00 - $11.00
Current price $11.00
Out of stock

Specifically designed for Fluval Flex 57 & 123 aquariums, the Foam Filter Block provides critical mechanical filtration by trapping large parti...

View full details
Original price $12.95
Original price $12.95 - Original price $12.95
Original price $12.95
Current price $11.00
$11.00 - $11.00
Current price $11.00
Sold out

Fluval FLEX Aquarium Kit 123L

Original price $899.00 - Original price $899.00
Original price
$899.00
$899.00 - $899.00
Current price $899.00
Out of stock

The FLEX 123L Freshwater Aquarium makes an exciting addition to Fluval's bold curved aquarium series. It comes equipped with a mobile device operat...

View full details
Original price $899.00 - Original price $899.00
Original price
$899.00
$899.00 - $899.00
Current price $899.00
Sold out

Fluval Circulation Pump WP1500 for SPEC/ EVO/ FLEX (A14677)

Original price $56.95
Original price $56.95 - Original price $56.95
Original price $56.95
Current price $48.40
$48.40 - $48.40
Current price $48.40
7 in stock.

The Circulation Pump WP1500 is suitable for the EVO aquarium, 52 L (13.5 US Gal) (item #10531), SPEC aquarium (item# 10525) and the FLEX aquarium (...

View full details
Original price $56.95
Original price $56.95 - Original price $56.95
Original price $56.95
Current price $48.40
$48.40 - $48.40
Current price $48.40
Save 15% Save %

Fluval FLEX 34L LED Lamp (A14763)

Original price $68.95
Original price $68.95 - Original price $68.95
Original price $68.95
Current price $58.60
$58.60 - $58.60
Current price $58.60
1 in stock.

Replacement LED Lamp is suitable for the FLEX 9G (34 L) Aquarium ( Item# 15004). LED Lamp with IR only. Transformer not included.  Part # A14763

Original price $68.95
Original price $68.95 - Original price $68.95
Original price $68.95
Current price $58.60
$58.60 - $58.60
Current price $58.60
Save 15% Save %

Fluval Circulation Pump for FLEX 34L (A14673)

Original price $45.95
Original price $45.95 - Original price $45.95
Original price $45.95
Current price $39.05
$39.05 - $39.05
Current price $39.05
Out of stock

Replacement circulation pump is suitable for the FLEX 34 L Aquarium (Item # 15004, 15005). SKU: A14673 | UPC: 015561346733

Original price $45.95
Original price $45.95 - Original price $45.95
Original price $45.95
Current price $39.05
$39.05 - $39.05
Current price $39.05
Sold out

Fluval Aquasky 2.0 LED for Flex Aquarium 123L (14549)

Original price $169.00
Original price $169.00 - Original price $169.00
Original price $169.00
Current price $143.65
$143.65 - $143.65
Current price $143.65
2 in stock.

Add an extra LED to your Flex 123L or replace your current one if needed with this AquaSky 2.0 Bluetooth LED. Transformer included. This Bluetooth ...

View full details
Original price $169.00
Original price $169.00 - Original price $169.00
Original price $169.00
Current price $143.65
$143.65 - $143.65
Current price $143.65
Save 15% Save %

Fluval FLEX Aquarium Kit 34L

Original price $269.00 - Original price $279.00
Original price
$269.00 - $279.00
$269.00 - $279.00
Current price $269.00
1 in stock.

Smart Style & Design The all-new Flex nano aquarium series provides contemporary styling with its distinctive curved front. The tank is also ...

View full details
Original price $269.00 - Original price $279.00
Original price
$269.00 - $279.00
$269.00 - $279.00
Current price $269.00

Fluval FLEX Aquarium Kit 57L

Original price $359.00 - Original price $369.00
Original price
$359.00 - $369.00
$359.00 - $369.00
Current price $359.00
Out of stock

Smart Style & Design The all-new Flex nano aquarium series provides contemporary styling with its distinctive curved front. The tank is also ...

View full details
Original price $359.00 - Original price $369.00
Original price
$359.00 - $369.00
$359.00 - $369.00
Current price $359.00
Sold out

Fluval FLEX 123L Aquarium Cabinet

Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
$449.00 - $499.00
$449.00 - $499.00
Current price $449.00
3 in stock.

This stylish and custom made aquarium stand is designed to coordinate seamlessly with the Fluval FLEX 123 L (32.5 US gal) aquarium. Available in 2...

View full details
Original price $499.00
Original price $499.00 - Original price $499.00
Original price $499.00
$449.00 - $499.00
$449.00 - $499.00
Current price $449.00
Save up to 10% Save %

Fluval Impeller for WP1500 Circulation Pump for SPEC/ EVO/ FLEX Aquariums (A14678)

Original price $14.95
Original price $14.95 - Original price $14.95
Original price $14.95
Current price $12.70
$12.70 - $12.70
Current price $12.70
2 in stock.

Replacement Impeller for WP1500 Circulation Pump is suitable for: EVO 13.5G (52 L) aquarium (10531) FLEX 15G (57 L) aquarium (15006, 15007, 15008,...

View full details
Original price $14.95
Original price $14.95 - Original price $14.95
Original price $14.95
Current price $12.70
$12.70 - $12.70
Current price $12.70
Save 15% Save %

Fluval FLEX 57L LED Lamp (A14770)

Original price $72.95
Original price $72.95 - Original price $72.95
Original price $72.95
Current price $62.00
$62.00 - $62.00
Current price $62.00
2 in stock.

Replacement LED Lamp assembly is suitable for the FLEX 15G (57 L) Aquarium ( Item# 15006, 15007, 15008, 15009). LED lamp only. Part # A20026  

Original price $72.95
Original price $72.95 - Original price $72.95
Original price $72.95
Current price $62.00
$62.00 - $62.00
Current price $62.00
Save 15% Save %

Fluval Impeller for Circulation Pump for FLEX 34L (A14674)

Original price $10.95
Original price $10.95 - Original price $10.95
Original price $10.95
Current price $9.30
$9.30 - $9.30
Current price $9.30
3 in stock.

Replacement Impeller for circulation pump is suitable for the FLEX 34 L Aquarium (Item # 15004, 15005) SKU: A14674 | UPC: 015561346740

Original price $10.95
Original price $10.95 - Original price $10.95
Original price $10.95
Current price $9.30
$9.30 - $9.30
Current price $9.30
Save 15% Save %

Fluval FLEX 123L Aquarium Stand Curved

Original price $289.00
Original price $289.00 - Original price $289.00
Original price $289.00
Current price $259.00
$259.00 - $259.00
Current price $259.00
3 in stock.

This stylish and custom made aquarium stand is designed to coordinate seamlessly with the Fluval Flex 123 L aquarium. Perfectly sized for the FL...

View full details
Original price $289.00
Original price $289.00 - Original price $289.00
Original price $289.00
Current price $259.00
$259.00 - $259.00
Current price $259.00
Save 10% Save %

Fluval Sea FLEX Saltwater Aquarium Kit 123L

Original price $959.00 - Original price $959.00
Original price
$959.00
$959.00 - $959.00
Current price $959.00
Out of stock

The Flex 32.5 US Gal / 123 L Aquarium Kit makes an exciting addition to Fluval’s bold curved aquarium series. It comes equipped with a mobile devic...

View full details
Original price $959.00 - Original price $959.00
Original price
$959.00
$959.00 - $959.00
Current price $959.00
Sold out