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  • Trigger Systems Sapphire Sump - 44"
    $554.99 $739.99
    No reviews

    Dimensions: 44″ long x 16″ wide x 15″ high Skimmer Section: 14″ x 15.5″ Center/Refugium Section: 14.5″ x 15.5″ Return...

  • Klir 7" Flow-Diverting Cap
    $25.29

    OUT OF STOCK

    No reviews

    Klir 7" Flow-Diverting Cap   Diverter Cap Works With Multiple 7in Sock Sumps   This optional 7 inch Klir Flow...

  • Bashsea Smart Series 36x18x16 Sump - BLACK
    $599.00
    No reviews

    COLOR OPTIONS:  Grey sides and top bracing with colored baffles and trim: Welcome to First Class!  The only triton based...

  • Bashsea Smart Series 36x15x16 Sump - BLUE
    $529.00
    No reviews

    COLOR OPTIONS:  Grey sides and top bracing with colored baffles and trim: Welcome to First Class!  The only triton based...

  • Bashsea Smart Series 30x18x16 Sump - BLACK
    $489.00
    No reviews

    COLOR OPTIONS:  Grey sides and top bracing with colored baffles and trim: Welcome to First Class!  The only triton based...

  • Trigger Systems Triton Sump 34 x 15 x 15"
    $442.49 $589.99
    No reviews

    The Triton series is designed to work with the Triton method which is becoming increasingly popular as it does not...

  • Lifegard Mini-Bubble Filter for 10gal tanks
    $8.07
    No reviews

    Mini-Bubble Filter For Small Aquariums up to 10 gallons Multi-stage filtration promotes a healthy aquatic environment     Nano, Betta, Breeder...

  • Danner Supreme EZ Clean Internal Aquarium Filter (Single Cartridge)
    $24.99 $42.99
    No reviews

        • Single Cartridge System with replacable media and chemical filtration     • No need to purchase a separate...

  • Danner Supreme EZ Clean 55 External Aquarium Filter
    $62.99
    No reviews

    EZ Clean External Filter     • Dual Cartridge System with replacable media     • Mechanical, biological and chemical filtration    ...

  • Seachem Tidal 75 Foam (2 Pack)
    $8.35
    No reviews

    Replacement foam for Seachem Tidal 75  (2 Pack)

  • Seachem Tidal 55 Foam (2 Pack)
    $6.77
    No reviews

    Replacment foam for Seachem Tidal 55 (2 Pack)

  • Bashsea 36x14x16" Bio-Fuge Sump - BLUE
    $429.00
    No reviews

    Welcome to First Class!   You don't want to miss out on these excellent craftsmanship.  Adorned in it's Black & Blue,...

  • Bashsea 14x14x15" MANO Signature Series Sump - BLACK & WHITE
    $329.00
    No reviews

    Note:  Please check product title for color ordering. Welcome to First Class!   You don't want to miss out on these...

  • Bashsea 60x15x16" Tuxedo Signature Series Sump - BLACK&WHITE - Includes Freight
    $1,149.00
    No reviews

    SHIPPPING NOTE:  This item will ship via Freight.  Once the freight truck arrives, you MUST inspect the contents completely before...

  • Bashsea 48x15x16" Tuxedo Signature Series Sump GEN 2 - BLACK & WHITE
    $999.00
    No reviews

    COLOR OPTIONS:     Welcome to First Class!   You don't want to miss out on these excellent craftsmanship.  Adorned in...

  • Bashsea 30x15x16" Tuxedo Signature Series Sump - BLACK & WHITE
    $499.00
    No reviews

    Welcome to First Class! You don't want to miss out on these excellent craftsmanship.  Adorned in it's Black & White,...

  • Eshopps Rectangle 300 Micron Filter Bag 7" x 12" - 3 PACK
    $43.98

    OUT OF STOCK

    No reviews

    Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They...

  • Premium Aquatics 200 Micron Mesh Media Bag - 7” x 32” with Draw String
    $10.99
    No reviews

    Premium Aquatics 200 Micron Mesh Filter Sock Bag - 7” x 32” with Draw String MADE in the U.S.A  ...

  • Premium Aquatics 200 Micron Mesh Filter Sock - 7” x 32” with Plastic Oring
    $10.99
    No reviews

    Premium Aquatics 200 Micron Mesh Filter Sock Bag - 7” x 32” with Plastic Oring MADE in the U.S.A  ...

  • AA Green Killing Machine - Aquarium Clip-On UV Sterilizer
    $34.99
    No reviews

    Clip-On UV Sterilizer Clear water is just a snap, converts most filters into a UV filter  - Keep your aquarium...

  • Premium Aquatics 200 Micron Mesh Media Bag - 7” x 16.5” with Draw String
    $8.99
    No reviews

    Premium Aquatics 200 Micron Mesh Filter Sock Bag - 7” x 16.5” with Draw String MADE in the U.S.A  ...

  • Eshopps RS-300 4th Gen Reef Sump
    $479.98
    No reviews

    An excellent choice for the introductory level Aquarist. Large open area for Protein Skimmer use as well as a spacious...

  • Eshopps RS-200 4th Gen Reef Sump
    $369.98
    No reviews

    An excellent choice for the introductory level Aquarist. Large open area for Protein Skimmer use as well as a spacious...

  • Ozotech IQ 20 Air Dryer 115 Vac 60Hz 8419.40.0080
    $699.99
    No reviews

    The IQ-20 Air drier is a single bed, air drier that delivers dry air by day and regenerates its drier...

  • Trigger Systems Ruby Sump 30x14x15
    $318.74 $424.99
    No reviews

    Trigger Systems specializes in aquarium sump manufacturing. We manufacture all sumps here in Dallas, TX. We build each sump as...

  • Trigger Systems Crystal Sump 30x12x15
    $251.24 $334.99
    No reviews

    Trigger Systems specializes in aquarium sump manufacturing. We manufacture all sumps here in Dallas, TX. We build each sump as...

  • A20008 Aquauv Ultraviolet UV 8 Watt Replacement Bulb
    $74.19
    No reviews

    Aqua Ultraviolet has the longest lamp life on the market with 14 months of continuous use. The Lamps are designed...

  • Aqua Ultraviolet Advantage 2000+ UV Sterilizer (15 Watt) With Hanger
    $234.78
    No reviews

    The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for...

  • Aqua Ultraviolet Advantage 2000+ UV Sterilizer (15 Watt) barb x barb
    $234.78
    No reviews

    The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV’s are slim, lightweight units designed for...

  • Aqua Ultraviolet 40 WATT Classic UV Sterilizer - 2" in/out
    $627.35
    No reviews

    Features Easy Twist Cap For Easy Quartz Sleeve Maintenance Just One Cap To Twist For Access To The Quartz Sleeve....

  • Aqua Ultraviolet 40 WATT Classic UV Sterilizer - 3/4" in/out
    $635.13
    No reviews

    Features Easy Twist Cap For Easy Quartz Sleeve Maintenance Just One Cap To Twist For Access To The Quartz Sleeve....

  • A00120 Aqua Ultraviolet 120WATT
    $1,655.33
    No reviews

    Features Easy Twist Cap For Easy Quartz Sleeve Maintenance Just One Cap To Twist For Access To The Quartz Sleeve....

  • Sicce AQUA FILTRA 40 Replacement Media kit (2pk)
    $10.99
    No reviews

    Replacement Media kit for the Sicce AQUA FILTRA 40  (2pk)

  • Sicce Mini Skim Replacement Sponge, Grid & Floating Grid
    $9.99
    No reviews

    Sicce Mini Skim Replacement Sponge, Grid & Floating Grid

  • Sicce MEGA FILTRA Replacement Aquamat wool pads (4units)
    $12.99
    No reviews

    MEGA FILTRA Replacement Aquamat wool pads (4units)

  • Sicce MEGA FILTRA Replacement Hyperzeo (2units)
    $13.99
    No reviews

    MEGA FILTRA Replacement Hyperzeo (2units)

  • Sicce MEGA FILTRA Replacement lateral Blue Sponges (2units)
    $22.99
    No reviews

    MEGA FILTRA Replacement lateral Blue Sponges (2units)

  • Sicce MEGA FILTRA Replacement Biofoam Sponges (4units)
    $26.99
    No reviews

    MEGA FILTRA Replacement Biofoam Sponges (4units)

  • ClariSea SK-3000 Automatic Filter System GEN 3 - NEW OPEN BOX RETURN
    $319.20 $399.00
    No reviews

    NEW OPEN BOX RETURN, save 20%   ClariSea SK-3000 Gen 3   AUTOMATIC FLEECE FILTER + SMART CONTROL & ALARM...

  • Finnex Pure-7 HOB Power Filter
    $15.99
    No reviews

    The Pico Aquarium is equipped with a high-powered, high-quality ABS with the water flow of 52 gallon per hour. The...

  • Finnex PX-150 Compact Canister Filter
    $72.99
    No reviews

    The Finnex PX-150 is the updated successor of the popular PX-360 compact aquarium canister filter.   Key upgrades include an updated...

  • IceCap 18w Replacement UV Bulb
    $20.00

    OUT OF STOCK

    No reviews

    Replace your UV lamp and keep your IceCap UV Sterilizer running like new! Over time the efficiency of the UV...

  • IceCap 18w Replacement Quartz Sleeve
    $14.00
    No reviews

    Replace your Quartz Sleeve and UV Lamp for your IceCap UV to work like new! Over time the efficiency of...

  • IceCap 90w Quartz Sleeve
    $19.36
    No reviews

    Replace your Quartz Sleeve and UV Lamp for your IceCap UV to work like new! Over time the efficiency of...

  • IceCap 27w Replacement Quartz Sleeve
    $14.52
    No reviews

    Replace your Quartz Sleeve and UV Lamp for your IceCap UV to work like new! Over time the efficiency of...

  • IceCap 27w Replacement UV Bulb
    $24.20
    No reviews

    Replace your UV lamp and keep your IceCap UV Sterilizer running like new! Over time the efficiency of the UV...

  • Sicce AQUA FILTRA 40 Replacement Sponges only (4pk)
    $9.99
    No reviews

    Sicce AQUA FILTRA 40 Replacement Sponges only (4pk)

  • Sicce AQUA FILTRA 40 Replacement complete Cartridge (2units)
    $20.99
    No reviews

    Sicce AQUA FILTRA 40 Replacement complete Cartridge (2units)

  • Sicce AQUA FILTRA 10-20 Replacement Sponges only (4pk)
    $4.49
    No reviews

    Sicce AQUA FILTRA 10-20 Replacement Sponges only (4pk)

  • ITC M Rack Plate- 4 Sock Holder
    $12.99
    No reviews

    The ITC Reefculture M-Rack Sock Holder Plate is made from the highest quality CNC-cut glossy black acrylic. It accommodates 4-inch...

  • ITC M Rack Magnetic Puk
    $32.99
    No reviews

    M-Rack: One Magnet, Endless Possibilities M-Rack is a versatile magnetic mounting system for your aquarium. It brings a stylish, practical...

  • AA Aquarium Replacement Filter Sponge for Mini 3w GKM
    $10.99
    No reviews

    Each pack includes 2 pieces of replacement sponge Suitable for use with Mini GKM3W