FILTRATION (884)
Best selling Best selling
  • Aqua Ultraviolet 25 watt Replacement Transformer - A30024
    $155.53
    No reviews

    AquaUV 25 watt Replacement Transformer - A30024 Compatible with the majority of the Classic Series UV Sterilizers

  • Trigger System TITANIUM 39" Sump
    $989.99

    OUT OF STOCK

    No reviews

    Trigger Systems is proud to introduce the Titanium line of sumps and ATOs. The Titanium line, as all of Trigger...

  • Bashsea 48x18x16" Pro Sump - White/Black
    $1,099.00
    No reviews

    Bashsea 48" Pro Sump - White/Black **PLEASE NOTE**  Filter roller not included.   Perfect to utilize a Roller Filter Mat in the...

  • Trigger Systems Triton Sump 26 x 13 x 15"
    $454.99
    No reviews

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

  • Bashsea Smart Series 48x18x16 Sump - WHITE
    $859.00
    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 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 36x18x16 Sump - WHITE
    $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...

  • Bashsea Smart Series 30x18x16 Sump - RED
    $489.00

    OUT OF STOCK

    No reviews

    Please note: Color in pictures may be different, please make sure to check item title for the color you'll be...

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

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

  • 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 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...

  • 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 25 WATT Classic UV Sterilizer - 2" in/out
    $439.71
    No reviews

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

  • Aqua Ultraviolet 15 WATT Classic UV Sterilizer - 3/4"
    $334.21
    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....

  • IceCap GFO 150INT Media Reactor
    $288.74
    No reviews

    Canister Media Reactor for In-Sump Aquarium Applications The IceCap INT Media Reactors are designed for in-sump applications and are plug-and-play...

  • Nyos Torq 0.75 G2 Body
    $79.00

    OUT OF STOCK

    No reviews

    TORQ G2 SYSTEM REACTOR FOR FILTER MEDIA   The Nyos TORQ is an innovative high-performance system reactor in a modular...

  • Seaside Aquatics Dual Co2 Regular
    $139.99

    OUT OF STOCK

    No reviews

    Dual Stage CO2 Regulator contains two gauges to show both working pressure and gas pressure in your tank.    Package...

  • Bubble Magus MR-80 Media Reactor
    $99.99
    No reviews

    Bubble Magus MR-80 Media Reactor Multipurpose filter for use with GFO, Carbon and Bio-Pellets External or Internal Use Hanging Bracket...

  • IceCap Turf Scrubber Spare 10w LED
    $59.99
    No reviews

    IceCap Turf Scrubber Spare 10w LED IceCap Algae Scrubber Replacement Light Direct replacement for the IceCap Algae Scrubber   Small...

  • IceCap Turf Scrubber Pro Hang On
    $225.21
    No reviews

    Fight Algae with Algae with a HOB Turf Scrubber IceCap PRO Hang On Back (HOB) Turf Scrubbers use algae as...

  • Pax Bellum C36 diffuser disc 3pk
    $59.99 $80.00
    No reviews

    Pax Bellum The c36 diffuser disc 3pk is a replacement component for the c36 ARID reactor consisting of 3 diffuser...

  • Pax Bellum C30 Calcium Reactor Feed & Injection Assembly
    $69.99 $100.00
    No reviews

    Pax Bellum c30 Ca Feed & Injection Assembly   Use the ARID with a Calcium Reactor. The Ca injection assembly...

  • Tunze 3182 Macro Algae Reactor
    $899.99
    No reviews

    Macro Algae Reactor 3182 For aquariums from 500 to 1,600 liters (132 - 423 USgal.). Flow rate adjustable from 1,000...

  • ME Coral Media Reactor 4x18
    $109.64 $128.99
    No reviews

    The MEdia Reactor has been designed to be an advanced media reactor for ME GFO (Granular Ferric Oxide) and GAC...

  • ME Coral Media Reactor 4x12
    $97.74 $114.99
    No reviews

    The MEdia Reactor has been designed to be an advanced media reactor for ME GFO (Granular Ferric Oxide) and GAC...

  • ME Coral Pellet Blaster Reactor
    $118.14 $138.99
    No reviews

    The ME Pellet Blaster mixes perfect design, superior craftsmanship, ease of installation, versatility and near zero maintenance!  ME Blaster uses...

  • Octopus Light Reactor 8" - LR200
    $673.35
    No reviews

    Reef Octopus Light Reactor   The Reef Octopus Light Reactor allows you to grow algae within a contained system while...

  • IceCap Kalk Mixer 8"
    $473.54
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • IceCap Kalk Mixer 6"
    $427.34
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • IceCap Kalk Mixer 5"
    $346.49
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • DROP1.2 drop-in upflow algae scrubber with Green Grabber surfaces - 1.2 cubes feeding per day
    $170.99

    OUT OF STOCK

    No reviews

    This is a great new item that compliments Real Reef and the Coral Fragging revolution.DROP1.2x dimensions: 3.25" wide x 6"...

  • 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 AR100 Aqua Fuge Refugium Gen 4
    $399.98
    No reviews

    Celebrate Creativity with ESHOPPS, AQUA-FUGE which features a NEW Creative & Innovative design. Featuring ESHOPPS unique Dual Water Channel Design...

  • Trigger Systems Crystal Sump 18x18 cube
    $349.99

    OUT OF STOCK

    No reviews

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

  • IceCap AIO Skimmer Mag-Mount Bracket
    $28.86
    No reviews

    Mag-mount Bracket for IceCap AIO Protein Skimmers The IceCap Mag-mount features durable rare-earth magnets for easy installation of IceCap AIO120...

  • TMC Reef Skim 2.0 1250 DC Protein Skimmer
    $359.99
    No reviews

    The TMC Reef Skim 2.0 1250 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in...

  • TMC Reef SKim 2.0 750 DC Protein Skimmer
    $289.99
    No reviews

    The TMC Reef Skim 2.0 750 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in...

  • Sicce Shark Internal Skimmer 150
    $149.99
    No reviews

    Shark SKIMMER 150 and Shark SKIMMER 300 are modern internal skimmers with a very compact and innovative Shark design for...

  • Red Sea REEFER Skimmer 600 DC Pump Upgrade Kit
    $250.00
    No reviews

    Upgrade Kit If you own a regular AC pump REEFER Skimmer, you can turn it into a smart DC skimmer...

  • Icecap K3-250HOB Round Skimmer
    $381.14
    No reviews

    IceCap K3 250HOB Protein Skimmer Convenient and Function Design The IceCap K3 250HOB Protein Skimmer is a compact hang-on-back protein...

  • Icecap K3-200HOB Round Skimmer
    $259.86
    No reviews

    IceCap K3 200HOB Protein Skimmer Convenient and Function Design The IceCap K3 250HOB Protein Skimmer is a compact hang-on-back protein...

  • Reef Octopus 6" KS150 Nilson Kalk Reactor
    $519.74
    No reviews

    Reef Octopus KS150 Nilson Kalk Reactor Footprint: 7.68″ x 7.68″ | Body Diameter: 6″ | Height: 26″ Requires control timer...

  • Reef Octopus 4" KS100 Nilson Kalk Reactor
    $392.69
    No reviews

    Reef Octopus KS100 Nilson Kalk Reactor Footprint: 5.5″ x 5.5″ | Body Diameter: 4″ | Height: 27.6″ Requires control timer...

  • BashSea Media Reactor 6-12
    $169.00
    No reviews

    The Bashsea Media Chamber provides the largest media capacity in the industry. Extra large design allows for high media volumes,...

  • Bashsea Bio Reactor 8-24
    $559.00
    No reviews

    Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without the gate valve until shortages are...

  • Bashsea Bio Reactor 6-30
    $419.00
    No reviews

    Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without the gate valve until shortages are...

  • TLF PhosBan Reactor CARBON Complete Package
    $86.70 $102.00

    OUT OF STOCK

    No reviews

    Save money and get everything necessary to startup your media reactor in this complete package! Includes: 1-TwoLittleFishies 150 Phosban Reactor...

  • TLF PhosBan Reactor GFO Complete Package
    $94.34 $110.99

    OUT OF STOCK

    No reviews

    Save money and get everything necessary to startup your media reactor in this complete package! Includes: 1-TwoLittleFishies 150 Phosban Reactor...