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Hagen  (21)
Fluval  (13)

 
Fluval U4 Underwater Filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Stage 1 foam removes large particles.
Wize Rating 81
User Review: Ok... I purchased this filter because my uncle has one in his 55 gallon tank with chiclids( he has the u4) ... And his water is crystal clear!!!
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$74.02
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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.
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$143.61
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Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process.
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$2.98
$4.97 $1.99 off
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This Fluval U4 Underwater Filter Poly-Carbon, manufacturered by RC Hagen, is listed with an MPN of A492. luval Poly/Carbon Cartridges features two sides for effective chemica...
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$5.49
$9.15 $3.66 off
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Fluval Underwater Filters. Ideal for use in aquariums with low water levels, such as habitats for aquatic reptiles, amphibians, invertebrates, etc.
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$92.99
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Create the ideal aquatic herptile habitat with superior filtration, water movement and aeration.
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$79.99
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Foam pads trap large particles, the Poly/Carbon pads filter out fine debris and provide chemical filtration , and the BioMax bio rings create an optimal environment where ...
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$4.99
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Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process.
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$49.80
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Foam pads trap large particles, the Poly/Carbon pads filter out fine debris and provide chemical filtration , and the BioMax bio rings create an optimal environment where ...
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$5.99
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Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process.
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$102.72
Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process.
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$33.27
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Fluval BIOMAX provides an optimal environment for beneficial bacteria growth.
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$3.99
$5.82 $1.83 off
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Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Condi...
Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite and nitrate.
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$510.46
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Fluval BIOMAX provides an optimal environment for beneficial bacteria growth.
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$43.61
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Replacement Impeller for the Fluval U Series Underwater Filter.
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$19.99
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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.
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$6.50
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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.
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$80.22
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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.
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$259.50
Free shipping
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Fluval BIOMAX provides an optimal environment for beneficial bacteria growth.
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$139.40
Free shipping
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Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process.
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$154.72
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