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At AquaCave, we offer some of the best selection & best prices on aquarium canister filters and reactors for you marine, reef, and freshwater aquarium.

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  • Aqua Ultraviolet ULTIMA II 6000 Filter, 2" Valve Aqua Ultraviolet ULTIMA II 6000 Filter, 2" Valve

    Aqua Ultraviolet

    Aqua Ultraviolet ULTIMA II 6000 Filter, 2" Valve

    Aqua Ultraviolet ULTIMA II 6000 Filter, 2" Valve The ‘Y’ shape and the inside wings on the outside affords a protective surface under the back washing and the company’s patent-pending backwash system will keep the media from clogging...

    $2,629.94
  • Aqua Ultraviolet ULTIMA II 4000 Filter, 1 1/2" Valve Aqua Ultraviolet ULTIMA II 4000 Filter, 1 1/2" Valve

    Aqua Ultraviolet

    Aqua Ultraviolet ULTIMA II 4000 Filter, 1 1/2" Valve

    Aqua Ultraviolet ULTIMA II 4000 Filter, 1 1/2" Valve The ‘Y’ shape and the inside wings on the outside affords a protective surface under the back washing and the company’s patent-pending backwash system will keep the media from...

    $2,072.90
  • Aqua Ultraviolet ULTIMA II 2000 Filter, 1 1/2" Valve Aqua Ultraviolet ULTIMA II 2000 Filter, 1 1/2" Valve Aqua Ultraviolet ULTIMA II 2000 Filter, 1 1/2" Valve

    Aqua Ultraviolet

    Aqua Ultraviolet ULTIMA II 2000 Filter, 1 1/2" Valve

    Aqua Ultraviolet ULTIMA II 2000 Filter, 1 1/2" Valve To support aquatic life whether at an aquaculture facility, backyard pond or large aquarium system it is essential to remove both ammonia and accumulated debris. The most efficient way to accomplish...

    $1,533.52
  • Aqua Ultraviolet ULTIMA II 1000 Filter W/1 1/2" Valve Aqua Ultraviolet ULTIMA II 1000 Filter W/1 1/2" Valve

    Aqua Ultraviolet

    Aqua Ultraviolet ULTIMA II 1000 Filter W/1 1/2" Valve

    Aqua Ultraviolet ULTIMA II 1000 Filter W/1 1/2" Valve The Aqua Ultravioliet Ultima II Filter is available in four standard models suitable for ponds from 1,000 to 20,000 gallons capacity. Aqua Ultraviolet claims that its biological filters take only...

    $998.75
  • Fluval FX6 Canister Filter  Fluval FX6 Canister Filter  Fluval FX6 Canister Filter  Fluval FX6 Canister Filter  Fluval FX6 Canister Filter

    Fluval

    Fluval FX6 Canister Filter

    Hagen Fluval FX6 Canister FilterFluval FX6 High Performance Canister Filter makes aquarium maintenance easier and more conveneint than ever. This high capacity, but compact, canister filter processes and circulates 563 GPH and has a large media capacity...

    $369.99
  • Eheim Pro 4+ 600 Canister Filter with Mediar Eheim Pro 4+ 600 Canister Filter with Mediar

    Eheim

    Eheim Pro 4+ 600 Canister Filter with Media

    Eheim Pro 4+ 600 Canister Filter with Mediar The EHEIM professionel 4+ – our best external filter but now with an integrated ‘emergency’ button.We have adopted the many advantages of the professional 3 series – powerful...

    $339.99
  • Eheim Pro 4+ 350 Canister Filter with Media Eheim Pro 4+ 350 Canister Filter with Media

    Eheim

    Eheim Pro 4+ 350 Canister Filter with Media

    Eheim Pro 4+ 350 Canister Filter with Media The EHEIM professionel 4+ – our best external filter but now with an integrated ‘emergency’ button.We have adopted the many advantages of the professional 3 series – powerful...

    $299.95
  • Eheim 2217 Classic 600 Canister Filter w/Media

    Eheim

    Eheim 2217 Classic 600 Canister Filter w/Media

    Eheim 2217 Classic External Canister Filter w/Media. The Classic family of canister filters feature carefully tailored external canisters and are equipped with high quality components . Classic filters provide low cost reliable high filtration. You...

    Was: $299.99
    Now: $279.99
  • AquaEl UltraMax 2000 Canister Filter AquaEl UltraMax 2000 Canister Filter AquaEl UltraMax 2000 Canister Filter AquaEl UltraMax 2000 Canister Filter

    AquaEl

    AquaEl UltraMax 2000 Canister Filter

    AquaEl UltraMax 2000 Canister Filter The AquaEl UltraMax 2000 Professional Canister Filter is a technologically advanced canister filter whose design is based on patented solutions that guarantee exceptional comfort of use, perfect water clarity, and...

    $249.99
  •  Sicce Whale 500 Black Canister Filter  Sicce Whale 500 Black Canister Filter  Sicce Whale 500 Black Canister Filter  Sicce Whale 500 Black Canister Filter  Sicce Whale 500 Black Canister Filter

    Sicce

    Sicce Whale 500 Black Canister Filter

    Sicce Whale 500 Black Canister Filter 80-135 Gal. 390 GPH • NEW! Unique and practical concept of self priming system• Ready to use and easy to set-up: complete with accessories and high performance filter media• 3 year warranty• For...

    $229.99
  • Fluval 407 Performance Canister Filter Fluval 407 Performance Canister Filter Fluval 407 Performance Canister Filter Fluval 407 Performance Canister Filter

    Fluval

    Fluval 407 Performance Canister Filter

    Fluval 407 Performance Canister Filter, up to 100 US Gal (500 L) 07 series marks the 7th incarnation in 4 decades of Fluval’s top selling canister filter family worldwide. Not only does the latest generation incorporate the power and reliability...

    $229.99
  • Eheim 2215 Classic 350 Canister Filter w/Media

    Eheim

    Eheim 2215 Classic 350 Canister Filter w/Media

    Eheim 2215 Classic External Canister Filter w/Media. The Classic family of canister filters feature carefully tailored external canisters and are equipped with high quality components . Classic filters provide low cost reliable high filtration. You...

    Was: $219.99
    Now: $209.99
  • Eheim 2213 Classic 250 Canister Filter w/Media

    Eheim

    Eheim 2213 Classic 250 Canister Filter w/Media

    Eheim 2213 Classic External Canister Filter w/Media. The Classic family of canister filters feature carefully tailored external canisters and are equipped with high quality components . Classic filters provide low cost reliable high filtration. You...

    Was: $159.99
    Now: $149.99
  • Eheim 2211 Classic 150 Canister Filter w/Media

    Eheim

    Eheim 2211 Classic 150 Canister Filter w/Media

    Eheim 2211 Classic External Canister Filter w/Media The Classic family of canister filters feature carefully tailored external canisters and are equipped with high quality components . Classic filters provide low cost reliable high filtration. You...

    Was: $139.99
    Now: $129.99
  • Fluval FX UVC 6W Clarifier Fluval FX UVC 6W Clarifier Fluval FX UVC 6W Clarifier

    Fluval FX UVC 6W Clarifier

    Fluval FX UVC 6W Clarifier  The FX UVC In-Line Clarifier quickly and easily connects to all canister filters to eliminate suspended algae for a clear and clear aquarium. With unique CCFL technology, the FX UVC bulb runs cooler to last up to 2X...

    Was: $159.99
    Now: $124.99
  • Fluval Biomax, 500 gr. by Hagen

    Fluval

    Fluval Biomax, 500 gr. by Hagen

    BioMax filter media are inert ceramic rings that are capable of supporting large populations of water purifying bacteria. Composed of a variety of channels and tunnels, the multitude of tiny pores can support these colonies of beneficial bacteria. BioMax...

    $16.95
  • Fluval Pre-Filter Media750 gr.

    Fluval

    Fluval Pre-Filter Media750 gr.

    Fluval Pre-Filter consists of inert, solid ceramic rings used to trap large and medium solid particles before they clog the finer sieves of the media baskets above...Fluval Pre-Filter consists of inert, solid ceramic rings used to trap large and medium...

    $14.95
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