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    Whisper 40 In Tank Filter (25818)

    Whisper 40 In Tank Filter (25818)

    For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium, making it possible to place the tank flush against a wall. The In-Tank Filter will function in as little as 2 inches of... more

    $33.10

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    PetFenceUSA

    (250+)
    Whisper 40 In Tank Filter (25818)

    Whisper 40 In Tank Filter (25818)

    For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium, making it possible to place the tank flush against a wall. The In-Tank Filter will function in as little as 2 inches of... more

    $33.10

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    Whisper 40 In Tank Filter (25818)

    Whisper 40 In Tank Filter (25818)

    For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium, making it possible to place the tank flush against a wall. The In-Tank Filter will function in as little as 2 inches of... more

    $41.51

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    Peazz Pet

    (2,500+)
    Whisper Power Filter

    Whisper Power Filter

    Whisper 40 Power Filter provides Biological, Chemical and Mechanical Filtration more

    $20.99

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    Whisper Air Pump 40 gallon

    Whisper Air Pump 40 gallon

    Minimal noise, maximum air flow. The dome shape actually flattens sound wave frequencies. Provide a powerful flow of air. For tanks up to 40 gallons. more

    $9.99

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    Tetra Whisper Power Filters Filter 40 Model 2

    Tetra Whisper Power Filters Filter 40 Model 2

    Easy-to-use 3-stage power filters for clean, clear aquarium water Reliable filter performance loaded with convenient features Provides efficient mechanical, chemical, and biological filtration Whisper Power Filters are the best-selling brand of power... more

    $22.99

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    Whisper In-Tank Filters 20i

    Whisper In-Tank Filters 20i

    Space-saving, powerful in-tank filters 3-stage filtration performance and quiet operation Mounts easily and discreetly inside your aquarium Space-saving design enables the same quality and performance as external filters without the noise. Whisper... more

    $13.99

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    United Pet Group Tet Filter Whisper 3I In-Tank

    United Pet Group Tet Filter Whisper 3I In-Tank

    For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. The Whisper In-Tank Filter 3i is designed for use in small aquariums. Driven by air, it oxygenates and leaves water crystal... more

    $10.39

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    Whisper In-Tank Filter 40i, upto 40 Gal

    Whisper In-Tank Filter 40i, upto 40 Gal

    Designed for use on medium-size aquariums up to 40 gallons. more

    $42.06 $26.66

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    Whisper InTank Filter 40i (upto 40 Gal)

    Whisper InTank Filter 40i (upto 40 Gal)

    Whisper InTank Filter 40iDesigned for use on mediumsize aquariums up to 40 gallons Uses Large Whisper BioBag Cartridges more

    $47.99 $23.99

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    Magnet Impeller Assembly for Whisper 40

    Magnet Impeller Assembly for Whisper 40

    Impeller for Whisper 40 and 2.Replacement magnet impeller assembly for the Whisper 40 and 2 filters. more

    $11.92

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    Tetra Usa ATS25994 Bio Foam Grid Replacement Kit with Whisper 30/40/60 Power Filter Multi-Colored

    Tetra Usa ATS25994 Bio Foam Grid Replacement Kit with Whisper 30/40/60 Power Filter Multi-Colored

    Tetra whisper bio foam grid replacement kit. Bio foam provides an extreme amount of surface area for optimal biological filtration in the tetra in tank whisper power filters. The bio-foam grid fits the whisper in-tank power filter. Each whisper bio... more

    $11.84 $8.61

    FREE shipping

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    Whisper 3i In - Tank Power Filter (25846)

    Whisper 3i In - Tank Power Filter (25846)

    Line extension to our innovative Whisper In-Tank Filter line of power filters.Engineered for use in aquariums up to 3 gals. Whisper 3i In-Tank filter features the same quality and performance as an external power filter. This air-driven filter... more

    $17.99

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    PetFenceUSA

    (250+)
    Whisper 3i In - Tank Power Filter (25846)

    Whisper 3i In - Tank Power Filter (25846)

    Line extension to our innovative Whisper In-Tank Filter line of power filters.Engineered for use in aquariums up to 3 gals. Whisper 3i In-Tank filter features the same quality and performance as an external power filter. This air-driven filter... more

    $26.11

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    Peazz Pet

    (2,500+)
    Whisper 3i In - Tank Power Filter (25846)

    Whisper 3i In - Tank Power Filter (25846)

    Line extension to our innovative Whisper In-Tank Filter line of power filters.Engineered for use in aquariums up to 3 gals. Whisper 3i In-Tank filter features the same quality and performance as an external power filter. This air-driven filter... more

    $26.11

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    Peazz

    (100+)
    Whisper 3i In - Tank Power Filter (25846)

    Whisper 3i In - Tank Power Filter (25846)

    Line extension to our innovative Whisper In-Tank Filter line of power filters.Engineered for use in aquariums up to 3 gals. Whisper 3i In-Tank filter features the same quality and performance as an external power filter. This air-driven filter... more

    $17.99

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    USA Whisper 3i In - tank Power Filter

    USA Whisper 3i In - tank Power Filter

    Whisper 3i In - tank Power Filter more

    $25.49

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    Overstock.com

    (625,000+)
    USA Tetra Bio Foam Grid Fits Whisper 20

    USA Tetra Bio Foam Grid Fits Whisper 20

    Tetra USA Inc. - Bio Foam Grid Whisper 20. Tetra Whisper Bio Foam Grid replacement kit. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra In Tank Whisper power filters. The Bio-Foam Grid fits the Whisper more

    $19.29

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    Overstock.com

    (625,000+)
    Whisper 40i In-tank Filter - Up to 40 gal.

    Whisper 40i In-tank Filter - Up to 40 gal.

    The super quiet Whisper in tank aquarium or terrarium filter that is ideal for 20-30 gallon tanks. The Whisper in tank filter is easy to conceal inside your aquarium; hide it behind a plant or other decorative object and from the front it is... more

    $31.99

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    Whisper 40 Power Filter - Up to 40 gal.

    Whisper 40 Power Filter - Up to 40 gal.

    Quiet; economical filtration performance of the classic Whisper 40 Power Filter is great for freshwater or saltwater aquariums. Energy-efficient designs feature low-wattage motors and adjustable flow control. Bio-Foam cultivates and maintains a... more

    $29.99

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    Whisper 40 In Tank Filter

    Whisper 40 In Tank Filter

    "For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter.These filters mount on the inside of the aquarium, making it possible to place the tank flush against a wall.The In-Tank Filter will function in as little as 2 inches of water,... more

    $31.41

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    Tetra Whisper In-Tank Filter 40I with BioScrubber 20 to 40-Gallon

    Tetra Whisper In-Tank Filter 40I with BioScrubber 20 to 40-Gallon

    For the ultimate in convenience and quiet. choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium. making it possible to place the tank flush against a wall. The In-Tank Filter will function in as little as 2 inches of... more

    $18.97

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    Tetra Whisper In-Tank Filter 40i with BioScrubber - 20-40 gallon

    Tetra Whisper In-Tank Filter 40i with BioScrubber - 20-40 gallon

    Tetra Whisper In-Tank Filter 40i with BioScrubber - 20-40 gal Whisper internal power filters are the ultimate in quiet, convenient 3-stage filtration. The dual-sided mesh of the Bio-Bag catches debris and fish waste, while the activated carbon absorbs... more

    $20.99

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    Tetra Tetra Whisper In-Tank Power Filter: PF-40i (Aquariums 20-40 Gallons) #25818 - Aquarium Interna

    Tetra Tetra Whisper In-Tank Power Filter: PF-40i (Aquariums 20-40 Gallons) #25818 - Aquarium Interna

    Tetra Tetra Whisper In-Tank Power Filter: PF-40i (Aquariums 20-40 Gallons) #25818 Tetra Whisper In-Tank Power Filter provide the ultimate in convenience and quiet. These filters mount on the inside of the aquarium, rather than hanging from the outside... more

    $20.99

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    Tetra Tetra Whisper Power Filter 40, 2, 20-40, 2000 Impeller Assembly: Whisper Power Filter 40, 2, 2

    Tetra Tetra Whisper Power Filter 40, 2, 20-40, 2000 Impeller Assembly: Whisper Power Filter 40, 2, 2

    Tetra Tetra Whisper Power Filter 40, 2, 20-40, 2000 Impeller Assembly: Whisper Power Filter 40, 2, 20-40, 2000 Impeller #25917 This genuine Tetra replacement part is the complete Impeller Assembly for the Whisper Power Filter. Use to maintain continual... more

    $6.99

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    Whisper 40 Power Filter

    Whisper 40 Power Filter

    Aquarium filter for 20-40 gallon tanks more

    $31.06

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    Tetra Usa ATS25994 Bio Foam Grid Replacement Kit with Whisper 30/40/60 Power Filter

    Tetra Usa ATS25994 Bio Foam Grid Replacement Kit with Whisper 30/40/60 Power Filter

    Tetra Whisper Bio Foam Grid replacement kit. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra In Tank Whisper power filters. The Bio-Foam Grid fits the Whisper In-Tank Power Filter. Each Whisper Bio... more

    $4.14

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    Tetra Whisper 40 Power Filter

    Tetra Whisper 40 Power Filter

    Try to use the Tetra Whisper 40 Power Filter Pet Store for your small tank today. This power filter is ideally made for small aquariums with water not more than 40 gallons. It is made of high quality materials. It is well built making it very durable.... more

    $21.99

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    "Whisper Power Filter 40, Size: 20-40 GALLON, UPC# 046798257745, Mfg# 25774, Free Shipping"

    "Whisper Power Filter 40, Size: 20-40 GALLON, UPC# 046798257745, Mfg# 25774, Free Shipping"

    "Whisper Power Filter 40 Size: 20-40 GALLON Miscellaneous AquariamFor a crystal clear aquarium.Eliminates toxic ammonia and nitrites.Economical and easy to use.Whisper quiet and dependable.For 20-40 gallon aquariums. 210 gallons per hour.All items are... more

    $40.53

    FREE shipping

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    "United Pet Group Tetra-Whisper Power Filter 40 20-40 Gallon"

    "United Pet Group Tetra-Whisper Power Filter 40 20-40 Gallon"

    "WHISPER POWER FILTER 40For a crystal clear aquarium.Eliminates toxic ammonia and nitrites.Economical and easy to use.Whisper quiet and dependable.For 20-40 gallon aquariums. 210 gallons per hour.UPC : 046798257745Size : 20-40 GALLONLength : 5.25Width... more

    $20.99

    FREE shipping

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    "Intake Strainer for Tetra Whisper 40 Aquarium Filter"

    "Intake Strainer for Tetra Whisper 40 Aquarium Filter"

    " Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original packaging not included. " more

    $6.99

    FREE shipping

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    "Cover for Tetra Whisper 40 Aquarium Filter"

    "Cover for Tetra Whisper 40 Aquarium Filter"

    " Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original packaging not included. " more

    $12.99

    FREE shipping

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    "United Pet Group Tetra-Whisper In Tank Filter 40i 170 Gph"

    "United Pet Group Tetra-Whisper In Tank Filter 40i 170 Gph"

    "WHISPER IN TANK FILTER 40IUPC : 046798258186Size : 170 GPHProduct Type : Aquatics - Filter Media / Filter Inserts" more

    $31.99

    FREE shipping

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    Tetra Whisper In-Tank Filter 20i with BioScrubber - 10-20 gallon

    Tetra Whisper In-Tank Filter 20i with BioScrubber - 10-20 gallon

    Tetra Whisper In-Tank Filter 20i with BioScrubber - 10-20 gal Whisper internal power filters are the ultimate in quiet, convenient 3-stage filtration. The dual-sided mesh of the Bio-Bag catches debris and fish waste, while the activated carbon absorbs... more

    $18.74

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    "Whisper In Tank Filter 40i, Size: 170 GPH, UPC# 046798258186, Mfg# 25818, Free Shipping"

    "Whisper In Tank Filter 40i, Size: 170 GPH, UPC# 046798258186, Mfg# 25818, Free Shipping"

    "Whisper In Tank Filter 40i Size: 170 GPH Miscellaneous AquariamAll items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at The Pet Supply Company! " more

    $39.91

    FREE shipping

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    Whisper 40 2 Parts Impeller Assembly

    Whisper 40 2 Parts Impeller Assembly

    Replacement parts for the Whisper 40 Filter more

    $5.99

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    Magnet Impeller Assembly for Whisper 40

    Magnet Impeller Assembly for Whisper 40

    Impeller for Whisper 40 and 2.Replacement magnet impeller assembly for the Whisper 40 and 2 filters. more

    $11.82

    FREE shipping

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    (500+)
    Tetra Whisper 30 Power Filter

    Tetra Whisper 30 Power Filter

    Simply put, many aquarium systems would simply fail if they use the wrong filter. If you pick the wrong filter capacity, your aquarium water won't be cleaned efficiently. It has to be the right size in order to process the water volume of your tank.... more

    $20.99

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    Tetra Whisper Air Pump 40 Gallon

    Tetra Whisper Air Pump 40 Gallon

    "Aquatic air pump for tanks 40 gallons or less. Patented dome shape and sound dampening chambers minimize turbulence and produce a smooth quite stream of air. Wide footprint, rubber feet and suspended pump motor eliminate sound producing vibrations." more

    $16.93

    FREE shipping

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    Aquatop Pf600 Hang On Back Fish Tank Power Filter For 40 Gal.

    Aquatop Pf600 Hang On Back Fish Tank Power Filter For 40 Gal.

    HANG ON BACK FISH TANK POWER FILTER FOR 40 GAL. more

    $18.96

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