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  1. SAVE
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    Fluval U3 Filter Media  Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Fluval U3 Filter Media Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Regular Price: $77.64
    Sale Price: $62.11
    Compare At: $88.99

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    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U3 Underwater Filter - Each box contains 2 cartridges Learn More
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    Fluval U2 Filter Media Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Fluval U2 Filter Media Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Regular Price: $52.92
    Sale Price: $42.34
    Compare At: $60.99

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    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U2 Underwater Filter - Each box contains 2 cartridges Learn More
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    FLUVAL U3 Foam Pad Filter Media x 12pk

    FLUVAL U3 Foam Pad Filter Media x 12pk

    Regular Price: $28.99
    Sale Price: $23.20
    Compare At: $33.99

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    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. For freshwater, marine or reptile environments. For U series filter model: U3 Learn More

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    FLUVAL U2 Foam Pad Filter Media x 12pk

    FLUVAL U2 Foam Pad Filter Media x 12pk

    Regular Price: $20.29
    Sale Price: $16.23
    Compare At: $23.99

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    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. For freshwater, marine or reptile environments. For U series filter model: U2 Learn More

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    FLUVAL U4 Poly/Carbon Cartridge Filter Media

    FLUVAL U4 Poly/Carbon Cartridge Filter Media

    Regular Price: $5.13
    Sale Price: $4.10
    Compare At: $5.99

    On Sale

    Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid substances, colorants and odors. For freshwater, marine or reptile environments. For U series filter model: U4 Learn More

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    FLUVAL U2 Foam Pad Filter Media x 48pk

    FLUVAL U2 Foam Pad Filter Media x 48pk

    Regular Price: $67.46
    Sale Price: $53.97
    Compare At: $77.99

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    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. For freshwater, marine or reptile environments. For U series filter model: U2 Learn More

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    21%
    Fluval 3 Plus Foam Insert (4pk) x 48pk

    Fluval 3 Plus Foam Insert (4pk) x 48pk

    Regular Price: $279.63
    Sale Price: $223.70
    Compare At: $319.99

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    The Fluval 3 Plus Foam Pad has been specially developed as a standard filter medium for the Fluval 3 Plus Underwater Filter and maximizes surface contact between the water and the media. The large filtering surface ensures efficient cleaning of the aquarium water and maximizes the colonization of beneficial bacteria. Learn More

  8. Fluval U4 Filter Media Poly/Clearmax Cartridge 96pk (48 x 2pk)

    $267.29
    Compare At: $381.99

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    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U4 Underwater Filter - Each box contains 2 cartridges Learn More
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    Fluval 3 Plus Foam Insert (4/Pack)

    Fluval 3 Plus Foam Insert (4/Pack)

    Regular Price: $7.58
    Sale Price: $6.07
    Compare At: $8.99

    On Sale

    The Fluval 3 Plus Foam Pad has been specially developed as a standard filter medium for the Fluval 3 Plus Underwater Filter and maximizes surface contact between the water and the media. The large filtering surface ensures efficient cleaning of the aquarium water and maximizes the colonization of beneficial bacteria. Learn More

  10. SAVE
    20%
    Fluval U4 Filter Media Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Fluval U4 Filter Media Poly/Clearmax Cartridge 24pk (12 x 2pk)

    Regular Price: $102.36
    Sale Price: $81.89
    Compare At: $116.99

    Free Shipping On Sale
    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U4 Underwater Filter - Each box contains 2 cartridges Learn More
  11. Fluval U3 Filter Media Poly/Clearmax Cartridge 192pk (96 x 2pk)

    $388.20
    Compare At: $554.99

    Free Shipping
    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U3 Underwater Filter - Each box contains 2 cartridges Learn More
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    FLUVAL U1 Foam Pad Filter Media x 96pk

    FLUVAL U1 Foam Pad Filter Media x 96pk

    Regular Price: $112.39
    Sale Price: $89.92
    Compare At: $128.99

    Free Shipping On Sale

    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. For freshwater, marine or reptile environments. For U series filter model: U1 Learn More

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    Fluval BIOMAX Filter Media for U2 U3 U4 x 48pk

    Fluval BIOMAX Filter Media for U2 U3 U4 x 48pk

    Regular Price: $172.18
    Sale Price: $137.74
    Compare At: $196.99

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    Fluval BIOMAX provides an optimal environment for beneficial bacteria growth. The bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive. It also reduces and controls ammonia and nitrate. For freshwater and marine environments.For U series filter models: U2,U3,U4 Learn More

  14. SAVE
    20%
    Fluval U3 Filter Media  Poly/Clearmax Cartridge 48pk (24 x 2pk)

    Fluval U3 Filter Media Poly/Clearmax Cartridge 48pk (24 x 2pk)

    Regular Price: $138.20
    Sale Price: $110.56
    Compare At: $157.99

    Free Shipping On Sale
    Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate. It effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and designed for Fluval's U2 Underwater Filter. Contains 2 cartridges Key Features - Filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate - Effectively produces crystal clear water, reduces odors, and creates ideal conditions for fish and plants - Helps reduce overall aquarium maintenance - Ideal for freshwater and marine environments - Designed for Fluval's U3 Underwater Filter - Each box contains 2 cartridges Learn More
  15. SAVE
    21%
    FLUVAL U1 Foam Pad Filter Media

    FLUVAL U1 Foam Pad Filter Media

    Regular Price: $1.43
    Sale Price: $1.14
    Compare At: $1.99

    On Sale

    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. For freshwater, marine or reptile environments. For U series filter model: U1 Learn More

Items 1 to 15 of 46 total
Show: 15 30 45
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UNDERWATER FILTERS & MEDIA

 

 
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