Great Aquariums Start Here
1-800-566-3474
Live Chat Support
    Free Shipping On $175+
  • FREE Shipping On $175+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $175
Standard ground shipping (1-7 business days) starts at a low $5.99 and most orders over $175 ship FREE. Learn More
 
If you find a product we sell for a lower price at another online store, we will match their price—today and up to 14 days after you've purchased the item! Learn More
 
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
 
Search Results for Saltwater Aquarium Supplies > Filters
Show: per page
Grid View Grid List View List
Sort by:
301 - 325 of 346
AquaC Urchin Pro-S In-Sump Protein Skimmer w/ Drain Fitting (No Pump)

AquaC Urchin Pro-S In-Sump Protein Skimmer w/ Drain Fitting (No Pump)

AquaC Urchin Pro-S In-Sump Protein Skimmer without Pump NEW FOR 2012! The Urchin Pro-S features a redesigned High-Flow Spray Injector that increases air and water flow. The new injector produces smaller air bubbles that boo...

$229.99
Aquarium Pharmaceuticals® API SuperClean 10 Internal Power Filter

Aquarium Pharmaceuticals® API SuperClean 10 Internal Power Filter

API SUPERCLEAN internal power filter is a low maintenance, easy to use, compact filter for small aquariums up to 10 US gallons. API SUPERCLEAN makes water clean and crystal clear. The exclusive research grade resin-carbon blend ...

$13.99
Replacement Collection Cup Lid for AquaMaxx HOB-1 Protein Skimmer

Replacement Collection Cup Lid for AquaMaxx HOB-1 Protein Skimmer

Replacement Collection Cup Lid for AquaMaxx HOB-1 Protein Skimmer

$7.99
Vertex Vectra Universal Self Cleaning Protein Skimmer Lid

Vertex Vectra Universal Self Cleaning Protein Skimmer Lid

The Vertex Vectra Universal Self Cleaning Protein Skimmer Lid has titanium screws to securely attach the lid to the skimmer cup. It includes an O-ring to place between the motor (sold separately) and the lid to eliminate water fr...

From $21.99
AquaMaxx Fluidized GFO and Carbon Filter Media Reactor w/ AquaMaxx Carbon One

AquaMaxx Fluidized GFO and Carbon Filter Media Reactor w/ AquaMaxx Carbon One

AquaMaxx Fluidized Media Reactors AquaMaxx Fluidized Media Reactors are multi-purpose aquarium water filters specially designed for use in marine and reef aquaria. Insert your media of choice to help eliminate organic pollutant...

$85.99
CPR CR2000 Wet/Dry Filter

CPR CR2000 Wet/Dry Filter

The value of a biological filter depends on how well it performs the tasks of oxygenation, ammonia conversion and gas exchange on a long term basis. In the wet/dry filter, air and water mix as water trickles over an exposed filter...

From $283.89
Reef Octopus Elite Space Saver Super Cone Skimmer

Reef Octopus Elite Space Saver Super Cone Skimmer

Ultimate in Control & Performance The new and innovative Reef Octopus Elite 150-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 210 gallons where sumps space may be limited. The Reef Octopus Elite ...

From $649.99
AquaC Urchin Pro-S In-Sump Protein Skimmer w/ Drain Fitting & Danner Supreme 5 Powerhead/Pump

AquaC Urchin Pro-S In-Sump Protein Skimmer w/ Drain Fitting & Danner Supreme 5 Powerhead/Pump

AquaC Urchin Pro-S In-Sump Protein Skimmer Information NEW FOR 2012! The Urchin Pro-S features a redesigned High-Flow Spray Injector that increases air and water flow. The new injector produces smaller air bubbles that boos...

$279.99
Precision Marine - Waste Collector

Precision Marine - Waste Collector

4" Diameter—Precision Marine Protien Skimmer Waste Collector Model WC410 Compatible with Precision Marine Systems skimmers (excluding HOT-1) Carbon Cap for odor removal Built to the Precision Marine quality standard S...

From $88.99
Precision Marine Calcium Reactor Effluent Chamber

Precision Marine Calcium Reactor Effluent Chamber

Add a effluent chamber to any calcium reactor to make your calcium reactor a more efficient dual-stage calcium reactor. By adding a second chamber, you will: Utilize the CO2 more efficiently Raise the pH of the effluent ...

$183.99
JBJ Reaction Canister Filter: Replacement UV Lamp for EFU-15, 20, 25, 35, 45

JBJ Reaction Canister Filter: Replacement UV Lamp for EFU-15, 20, 25, 35, 45

Replacement UV light for the JBJ Reaction Canister for models EFU-15, 20, 25, 35 and 45.

$24.99
Eheim Insert for Prefilter 4004620

Eheim Insert for Prefilter 4004620

Insert for Eheim Surface Extractor Prefilter

$4.99
Eheim Carbon Filter Pad for 2222/2224 Canister Filter

Eheim Carbon Filter Pad for 2222/2224 Canister Filter

Carbon Filter Pad for Eheim Professionel External Filter 2222/2224

$18.99
Fluval 1 Plus Foam Insert, 2/pk

Fluval 1 Plus Foam Insert, 2/pk

Fluval 1 "Plus" Foam Insert, 2/pk Fits Fluval 1 "Plus" Internal Filter

$5.99 $5.39
Hydor Sintered Quartz Bio-Rings for Professional Canister Filter - 450 gram

Hydor Sintered Quartz Bio-Rings for Professional Canister Filter - 450 gram

Pro-Filter Sintered Quartz Bio-Rings for use with Hydor Professional Canister Filters - 450g Highly porous efficient sintered quartz Bio-Rings media is ideal for optimal biological filtration.

$15.99
Reef Octopus KS100 Nilsen Kalkwasser Reactor

Reef Octopus KS100 Nilsen Kalkwasser Reactor

Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser). This method is not only ideal ...

$245.99
Replacement Collection Cup O-Ring for AquaMaxx EM-Series Protein Skimmers

Replacement Collection Cup O-Ring for AquaMaxx EM-Series Protein Skimmers

Replacement Collection Cup O-Ring for AquaMaxx EM100, ConeS CO-1 and ConeS HOB Protein Skimmers

From $1.99
Aqua Euro USA Classic 55 Gallon Needle Wheel Protein Skimmer with Bubble Plate

Aqua Euro USA Classic 55 Gallon Needle Wheel Protein Skimmer with Bubble Plate

Maintain a pure, healthy marine aquarium ecosystem. Remove more organic waste. Reduce water change frequency. AquaEuro™ Protein Skimmers maintain a clean marine aquarium ecosystem by effectively eliminating dissolved organic compo...

$189.99
JBJ Reaction Canister Filter: Replacement Impellers

JBJ Reaction Canister Filter: Replacement Impellers

Replacement Impeller for JBJ Reaction EFU-25 Canister Filter

From $9.99
AquaMaxx AM350 In-Sump Protein Skimmer

AquaMaxx AM350 In-Sump Protein Skimmer

AquaMaxx AM-S Series Protein Skimmer AquaMaxx in-sump protein skimmers are built using exceptional cell-cast acrylic, bubble plates and easily adjustable riser tubes. They are rated for aquariums up to 550 gallons yet are thin...

$599.99
Reef Octopus Regal 170EXT Recirculating Protein Skimmer

Reef Octopus Regal 170EXT Recirculating Protein Skimmer

The new and innovative Reef Octopus Regal 170-EXT recirculating protein skimmer supplies powerful filtration for aquariums up to 300 gallons where absolute control is a necessary. The Reef Octopus Regal 170-EXT is constructed of h...

$659.99
AquaMaxx Replacement Inlet Venturi for EM Series Protein Skimmers

AquaMaxx Replacement Inlet Venturi for EM Series Protein Skimmers

Replacement AquaMaxx Inlet Venturi for EM200 Protein Skimmer

From $23.99
AquaMaxx Replacement 10mm Tubing for Protein Skimmers

AquaMaxx Replacement 10mm Tubing for Protein Skimmers

Replacement tubing for AquaMaxx Protein Skimmers Used as replacement collection cup drain tubing for AquaMaxx HOB-1, CO-1, ConeS HOB Skimmer. Or, as replacement venturi tubing for Cone 2-6, ConeS CO-2/CO-3 or EM200-600 protein...

$19.99
Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridges (3pk)

Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridges (3pk)

Custom designed for the Magnum 220 and 350 micron cartridges and carbon/media container, these filter sleeves reduce accumulation of waste and dirt, ultimately extending cartridge life.

$17.49
AquaMaxx ZEO Reactor Brightwell Aquatics NeoZeo Starter Kit

AquaMaxx ZEO Reactor Brightwell Aquatics NeoZeo Starter Kit

AquaMaxx Zeo Reactor w/ Brightwell Aquatics Media   1x AquaMaxx Zeo Reactor 1x Brightwell Aquatics Neo Zeo Zeolite Media for Reef 2.2 lbs (1000g) 1x Brightwell Aquatics MicroBacter7 - Compelete BioCulture for Mar...

From $189.99
301 - 325 of 346
This item is temporarily unavailable but will be back in stock soon.

Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.

Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Your Email:
Just enter your email address below and we'll let you
know when the product you are looking for becomes available!

Item Code:
Price:
Your Email:
Win a $100 Gift Card Sign up to get our best deals, expert tips and a chance to win $100 to spend at Marine Depot!