Internal Aquarium Filters

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Fluval U Series Underwater Filters


The U series underwater filters have a three stage filtration which is ideal for use in fresh, marine or reptile environments. Stage 1 foam removes large particles, Stage 2 poly/carbon cartridge traps fine debris, improves water clarity and removes impurities and then Stage 3 BIOMAX provides optimal biological filtration efficiency. The Fluval U series range are ideal as supplemental or stand-alone filters, silent, efficient, simple to install and easy to maintain.

From £23.99
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Interpet Internal Power Filter PF1

The Interpet Internal Power Filter PF1 is one of the most versatile, comprehensive and easy to use range of filters available. It offers you and your fish a cleaner, healthier aquarium with triple action filtration.

Benefits include

  • Better aeration-rocker switch controlled powerful venturi
  • Full adjustability – easy flow rate and direction adjustment
  • Easy fitting – unique easy locate cradle
  • Better maintenance – easy clean filter cartridge
  • Patented Aqua Valve

The aqua valve allows waste materials to pass into the filter, but prevents them from dumping back into the aquarium. This is different to virtually every other filter on the market, as you would simply turn the filter off at cleaning time and remove the body, without seeing all the removed waste drop back into the clean aquarium. A really useful benefit!

The PF1 contains 2 foams for biological and mechanical filtration and a carbon foam for removal of toxins, discolouration, odour, metals and pesticides. It also comes complete with:

  • a foam carrier for easy removal of foams,
  • flow control,
  • head rotation for water directional control,
  • venturi with on/off switch
  • the Interpet unique, patented Aqua Valve that prevents waste being dumped back in to the aquarium when the filter has been removed.

Here are some useful statistics:

  • Max Flow Rate:380L/hr
  • Watts:7
  • Aquarium Length: Up to approx 45cm (18”)
  • Aquarium Volume: 45-68Litres

Easy to use, highly effective, versatile, quiet and will keep your aquarium gleaming! Filters don’t get much more reliable.

  • Suitable for Fish Pod and Fish Box products
  • ORDER TODAY TO SAVE 32% OFF RRP £18.49
    BUY NOW: £12.49
     

    Internal Cartridge Filter 3 Month Service Kit - Cf2

    This high quality Interpet Three Month Filter Media Service Kit for a CF2 internal cartridge filter is required to keep your tank healthy and clean.

      Each pack contains
    • 3x Filter Cartridge which clears and purifies the water
    • 3x Algaway Pad which reduces unsightly algae

    Using this kit regularly will keep your aquarium healthy, clean, clear and algae free.

    ORDER TODAY TO SAVE 17% OFF RRP £11.99
    BUY NOW: £9.99
     

    Fluval Mini Underwater Filter 200LPH

    The Fluval Mini Underwater Filter is ideal for smaller coldwater or tropical aquariums up to 45L. It is simple to install and easy to maintain. It operates efficiently and does so very quietly, definitely a starter filter that you won’t go wrong with.
    ORDER TODAY TO SAVE 42% OFF RRP £22.36
    BUY NOW: £12.99
     

    Aquael Fan 1 Sponge

    This Aquael Fan 1 Replacement Sponge is a direct replacement part for your Fan 1 internal filter

    It is important to replace your filter sponges from time to time, as these will eventually get clogged with fish waste, and material from the tank. You can clean these, but eventually nothing will do but a new sponge.

    This is an important piece of your filter, as it not only removes waste particles from the water before it is returned to the tank, but it is also a home to colonies of bacteria that provide you with a healthy tank for your fish to live in.

    • One replacement filter sponge
    ORDER TODAY TO SAVE 11% OFF RRP £4.49
    BUY NOW: £3.99
     

    Aquael Reef Master Filter Catridge 2pk

    This Reef Master Filter Cartridge twin pack is intended to replace the filter fleece cartridges in the final stage of water filtration.

    The pack contains two replacement filters, that have a bayonet fitting, covered in dense, fine filter fleece. These are ideal for water filtration, and final polishing before the water is returned to the tank. The filters are also designed to prevent bubbles from travelling into the main tank.

    • Contains 2 cartridges

    Please refer to the Spare Parts Manual for more information.

    BUY NOW: £12.99
     

    Interpet Internal Power Filter PF3

    The Interpet Internal Power Filter PF3 is one of the most versatile, comprehensive and easy to use range of filters available. It offers you and your fish a cleaner, healthier aquarium with triple action filtration.

    Benefits include

    • Better aeration-rocker switch controlled powerful venturi
    • Full adjustability – easy flow rate and direction adjustment
    • Easy fitting – unique easy locate cradle
    • Better maintenance – easy clean filter cartridge
    • Patented Aqua Valve

    The aqua valve allows waste materials to pass into the filter, but prevents them from dumping back into the aquarium. This is different to virtually every other filter on the market, as you would simply turn the filter off at cleaning time and remove the body, without seeing all the removed waste drop back into the clean aquarium. A really useful benefit!

    The PF3 contains 2 foams for biological and mechanical filtration and a carbon foam for removal of toxins, discolouration, odour, metals and pesticides. It also comes complete with:

    • A separate biomedia chamber that provides superior biological filtration and in addition allows the filter foams to be cleaned more thoroughly,
    • a foam carrier for easy removal of foams,
    • flow control,
    • head rotation for water directional control,
    • venturi with on/off switch
    • the Interpet unique, patented Aqua Valve that prevents waste being dumped back in to the aquarium when the filter has been removed.

    Here are some useful statistics:

    • Max Flow Rate:800L/hr
    • Watts:15
    • Aquarium Length: Up to approx 90cm (36”)
    • Aquarium Volume: 82-136Litres

    Easy to use, highly effective, versatile, reliable, quiet and will keep your aquarium gleaming! Filters don’t get much more reliable.

    ORDER TODAY TO SAVE 38% OFF RRP £39.99
    BUY NOW: £24.99
     

    Penn-Plax Smallworld Replacement Filtration Units

    These Smallworld Replacement Filtration Units are direct replacement items for the original Smallworld SWF-1 filter.

    This pack consists of two replacement cartridges that contain sponge and charcoal filter media.

    • Twin pack
    • Easy to change over

    Keeping your filter running effectively is essential for healthy fish and clear water.

    ORDER TODAY TO SAVE 6% OFF RRP £3.49
    BUY NOW: £3.29
     

    Internal Cartridge Filter 3 Month Service Kit - Cf1

    This high quality Interpet Three Month Filter Media Service Kit for a CF1 internal cartridge filter is required to keep your tank healthy and clean.

      Each pack contains
    • 3x Filter Cartridge which clears and purifies the water
    • 3x Algaway Pad which reduces unsightly algae

    Using this kit regularly will keep your aquarium healthy, clean, clear and algae free.

    ORDER TODAY TO SAVE 13% OFF RRP £7.49
    BUY NOW: £6.49
     

    Interpet Internal Power Filter PF2

    The Interpet Internal Power Filter PF2 is one of the most versatile, comprehensive and easy to use range of filters available. It offers you and your fish a cleaner, healthier aquarium with triple action filtration.

    Benefits include

    • Better aeration-rocker switch controlled powerful venturi
    • Full adjustability – easy flow rate and direction adjustment
    • Easy fitting – unique easy locate cradle
    • Better maintenance – easy clean filter cartridge
    • Patented Aqua Valve

    The aqua valve allows waste materials to pass into the filter, but prevents them from dumping back into the aquarium. This is different to virtually every other filter on the market, as you would simply turn the filter off at cleaning time and remove the body, without seeing all the removed waste drop back into the clean aquarium. A really useful benefit!

    The PF2 contains 2 foams for biological and mechanical filtration and a carbon foam for removal of toxins, discolouration, odour, metals and pesticides. It also comes complete with:

    • A separate biomedia chamber that provides superior biological filtration and in addition allows the filter foams to be cleaned more thoroughly,
    • a foam carrier for easy removal of foams,
    • flow control,
    • head rotation for water directional control,
    • venturi with on/off switch
    • the Interpet unique, patented Aqua Valve that prevents waste being dumped back in to the aquarium when the filter has been removed.

    Here are some useful statistics:

    • Max Flow Rate:500L/hr
    • Watts:9
    • Aquarium Length: Up to approx 60cm (24”)
    • Aquarium Volume: 45-90Litres

    Easy to use, highly effective, versatile, reliable, quiet and will keep your aquarium gleaming! Filters don’t get much more reliable.

  • Suitable for Fish Pod and Fish Box products
  • ORDER TODAY TO SAVE 29% OFF RRP £27.99
    BUY NOW: £19.99
     

    Fan Filter for Aquael Aquarium


    With the ability to deliver extraordinary filtration and aeration, the Aquael Fan Filter is easy to use and is the ideal water cleaner, circulator and oxygenator.


    From £12.99
    Products in this Group
     
     

    Penn Plax Cfi Replacement Filter Cartridge Twin Pack

    This Penn Plax Cfi Replacement Filter Cartridge Twin Pack is a direct replacement for many of the Penn Plax tanks.

    This disposable replacement cartridge filter comes with dacron floss and a foam pad for mechanical filtration, activated carbon and zeolites, to remove ammonia.

    These precision made cartridges are made to fit the Clear Free filter, providing your tank with clean, healthy water for your fish to enjoy.

    Designed to fit:
    WWA1 Caribbean
    WWA2, WWA2M Neptune
    CF1 Clear Free filter, Sponge Bob
    NW10 New World habitat add-a-filter
    WBK45, WBKS45, SBK1F Looney Tunes water-world kits
    WBKT45 Tiki-world aquarium kits
    NWK2 series
    SBK1 Series aquarium kits

    ORDER TODAY TO SAVE 8% OFF RRP £2.49
    BUY NOW: £2.29
     

    Aquael Fan 2 Sponge

    This Aquael Fan 2 Replacement Sponge is a direct replacement part for your Fan 2 internal filter

    It is important to replace your filter sponges from time to time, as these will eventually get clogged with fish waste, and material from the tank. You can clean these, but eventually nothing will do but a new sponge.

    This is an important piece of your filter, as it not only removes waste particles from the water before it is returned to the tank, but it is also a home to colonies of bacteria that provide you with a healthy tank for your fish to live in.

    • One replacement filter sponge
    ORDER TODAY TO SAVE 6% OFF RRP £4.99
    BUY NOW: £4.69
     

    Aquael Fan Mini Sponge

    This Aquael Fan Mini Replacement Sponge is a direct replacement part for your Fan Mini internal filter

    It is important to replace your filter sponges from time to time, as these will eventually get clogged with fish waste, and material from the tank. You can clean these, but eventually nothing will do but a new sponge.

    This is an important piece of your filter, as it not only removes waste particles from the water before it is returned to the tank, but it is also a home to colonies of bacteria that provide you with a healthy tank for your fish to live in.

    • One replacement filter sponge
    BUY NOW: £3.99
     

    Marina i110 Filter

    The Marina i110 Filter is a small and neat internal filter that has been designed to be fully submerged in the tank, holding onto the side via suction cups.

    It is capable of filtering a tank of up to 100 litres, and is suitable for both tropical and fresh water set ups.

    • Enhances aquarium water quality
    • Ideal for goldfish or tropical tanks up to 100 L
    • Bottom positioned motor for quiet operation
    • Waterfall spout for continuous oxygenation
    • Effective 3 stage Filtration - mechanical, chemical, biological
    • Bio Screen provides large surface area for growth of friendly bacteria
    • Easy replacement of Power Cartridge
    • Compact size and energy efficient
    • Refill Power Cartridges available (sold separately)

    Filtration is done via a power cartridge, which removes floating debris, pollutants and ammonia. This cartridge should be replaced approximately every 4-6 weeks depending on stocking levels. With bacteria being housed on a special bio screen you will not lose your bacterial filter when removing the power filter.

    This Marina i110 is a powerful, small filter that will give you a cleaner, healthier aquarium environment and crystal clear water, allowing your fish to thrive.

    ORDER TODAY TO SAVE 15% OFF RRP £26.99
    BUY NOW: £22.99
     

    Aquael Fan 3 Sponge

    This Aquael Fan 3 Replacement Sponge is a direct replacement part for your Fan 3 internal filter

    It is important to replace your filter sponges from time to time, as these will eventually get clogged with fish waste, and material from the tank. You can clean these, but eventually nothing will do but a new sponge.

    This is an important piece of your filter, as it not only removes waste particles from the water before it is returned to the tank, but it is also a home to colonies of bacteria that provide you with a healthy tank for your fish to live in.

    • One replacement filter sponge
    BUY NOW: £7.99
     

    Interpet Internal Cartridge Filter - CF1

    This Interpret Internal Cartridge Filter is a unique 'hang on' easy access filter to suit aquariums up to 36-68 litres

    The filtration system is a versatile, comprehensive and easy-to-use filter. With its uniquely easy located hanging cradle the filter is simple to fit and with the convenient open access top it is also a dream to maintain.

    This filter has everything required to look after a successful aquarium and include; Ceramic Biological Media, patented Floss & Carbon Pad and an additional algae prevention pad helping to reduce the phosphate levels in the aquarium.

    • Max flow rate 320 Litres/hour
    • Power: 4 Watts
    BUY NOW: £18.99
     

    Interpet Internal Cartridge Filter - CF2

    This Interpret Internal Cartridge Filter is a unique 'hang on' easy access filter to suit aquariums up to 68 - 90 litres

    The filtration system is a versatile, comprehensive and easy-to-use filter. With its uniquely easy located hanging cradle the filter is simple to fit and with the convenient open access top it is also a dream to maintain.

    This filter has everything required to look after a successful aquarium and include; Ceramic Biological Media, patented Floss & Carbon Pad and an additional algae prevention pad helping to reduce the phosphate levels in the aquarium.

    • Max flow rate 480 Litres/hour
    • Power: 4 Watts
    ORDER TODAY TO SAVE 31% OFF RRP £28.99
    BUY NOW: £19.99
     

    Marina i110/i160Replacement Cartridges Twin Pack

    The Marina i110 /i160 Replacement Power Cartridge is made specifically to fit inside the Marina i110 and i160 internal filters.

    The outside of the power cartridge features polyester foam to trap fine particles and the inside chambers contain carbon to remove pollutants and odours, and zeolite to eliminate toxic ammonia for a cleaner, healthier aquarium environment and crystal clear water.

    • 2-pack
    • Provides mechanical, biological, and chemical filtration
    • Traps fine debris, removes pollutants, eliminates toxic ammonia
    • Easy to replace
    • Fits the Marina i110 and i160 Internal Filters

    Note: For best results replace every 4 weeks. For model i160: do not replace both cartridges at the same time in order to ensure constant presence of beneficial bacteria.

    BUY NOW: £4.49
     

    Aquael Reef Master Comb Prefilter

    This replacement Aquael Reef Master Comb Filter fits at the top of the trickle filter, which provides biological filtration for the tank.

    This comb is an important part of the pre-filter system as it prevents fish and other animals from entering the filter panel. The teeth of the comb can be adjusted, so that optimum water flow is maintained

    It is advisable to replace this part as per the instructions given with the Reef Master tank to ensure the correct, and smooth, running of the filtration system in the tank.

    Please refer to the Spare Parts Manual for more information.

    ORDER TODAY TO SAVE 15% OFF RRP £26.99
    BUY NOW: £22.99

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