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
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
14-Day Low Price Guarantee
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
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:
251 - 275 of 342
Replacement Intake Tube w/ Strainer for AquaMaxx HOB-1 Protein Skimmer

Replacement Intake Tube w/ Strainer for AquaMaxx HOB-1 Protein Skimmer

Replacement intake tube w/ strainer for AquaMaxx HOB-1 Protein Skimmer

$11.99
AquaMaxx Replacement O-ring for BioMaxx BioPellet and Media Reactors

AquaMaxx Replacement O-ring for BioMaxx BioPellet and Media Reactors

Replacement O-ring for BioMaxx BioPellet and Media Reactors

$3.99
Marineland Magnum C-Series Canister Filter

Marineland Magnum C-Series Canister Filter

Magnum C-Series Canister Filter The revolutionary design of the new Marineland Multi-Stage C-Series Canister Filter forces water to pass through the filter media trays and not around them. With virtually no bypass and a three-s...

From $188.99
AquaC Urchin Pro In-Sump Protein Skimmer with Drain Fitting

AquaC Urchin Pro In-Sump Protein Skimmer with Drain Fitting

The revolutionary AquaC protein skimmers do not use venturis, downdraft tubes, or air pumps; they employ the patented "Spray Injection System." This innovation allows the protein skimmer to efficiently draw in much more air than a...

From $209.99
CPR CR900 Wet/Dry Filter

CPR CR900 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 $173.19
Reef Octopus BH-50 Multi-Mount Protein Skimmer

Reef Octopus BH-50 Multi-Mount Protein Skimmer

A small skimmer with all the great features usually only found in larger skimmers. Equipped with bubble diffuser, air silencer, solid mounting bracket, easy to use raiser pipe to control the internal water level in the skimmer and...

$124.99
Bubble Magus BM C99 In Sump Needle Wheel Protein Skimmer w/ Bubble Plate

Bubble Magus BM C99 In Sump Needle Wheel Protein Skimmer w/ Bubble Plate

Bubble-Magus skimmers are practical and highly efficient. These skimmers offer innovative features along with reliable pumps at an affordable price: which makes them a great value. The BM C99 skimmer has all the right features...

$655.99
AquaMaxx Fluidized Filter Media Reactor w/ AquaMaxx Phosphate Out

AquaMaxx Fluidized Filter Media Reactor w/ AquaMaxx Phosphate Out

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...

From $94.99
Precision Marine Redline Protein Skimmers

Precision Marine Redline Protein Skimmers

RL100 Series: Redline Series of Needlewheel Protein Skimmers. Made entirely from Cast Acrylic, the Redline series cover main tank displays from 100-225 gallons. RL100/RL125 Specifications   RL...

From $189.99
Venturi for ASM Protein Skimmers

Venturi for ASM Protein Skimmers

Replacement Venturi for ASM Mini-G Protein Skimmer

From $14.49
AquaC Collection Cup for EV skimmers

AquaC Collection Cup for EV skimmers

Replacement AquaC Collection Cup for EV-120.  Includes collection cup w/barb drain fitting, EPDM gaskets and lid.

From $40.00
Lifegard Aquatics 0-30 PSI Pressure Gauge Bottom Mount R172045BX

Lifegard Aquatics 0-30 PSI Pressure Gauge Bottom Mount R172045BX

Replacement Pressure Gauge, 0-30 PSI. Bottom Mount for Lifegard Aquatics Inline Mechanical Filters

$12.49
Replacement Impeller for AquaMaxx HOB1 Protein Skimmers

Replacement Impeller for AquaMaxx HOB1 Protein Skimmers

Replacement Impeller for AquaMaxx HOB1 Protein Skimmers

$37.99
AquaC Urchin-S In-Sump Protein Skimmer w/ Drain Fitting (No Pump)

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

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

$179.99
Marineland H.O.T. Magnum 250 Canister Filter

Marineland H.O.T. Magnum 250 Canister Filter

HOT Magnum® Canister Filters HOT (Hang On Tank) Magnum is an efficient, powerful, compact canister filter that is lightweight enough to hang directly on the back of your aquarium. Because it is a Magnum, it comes feature-packed...

$78.99
Red Sea C-Skim 1800 Protein Skimmer

Red Sea C-Skim 1800 Protein Skimmer

The Smarter choice for the serious hobbyist A new level of performance, user friendliness and affordability in protein skimming. Features: PSK Air Injector - 800 lph (200 gph) Integrated neck washing system Foam...

$342.99
AquaMaxx Zeo Reactor

AquaMaxx Zeo Reactor

INTRODUCING THE AQUAMAXX ZEO REACTOR With quality Zeolitic media packed inside the AquaMaxx Zeo Reactor, you will create a more natural saltwater environment by removing any excess nutrients and organics from your aquarium water...

From $167.99
AquaMaxx Replacement Lid for BioMaxx BioPellet and Media Reactors

AquaMaxx Replacement Lid for BioMaxx BioPellet and Media Reactors

AquaMaxx Replacement Lid for BioMaxx BioPellet and Media Reactors

$29.99
Hydor Coarse Filter Pad for Professional Canister Filter (2pk)

Hydor Coarse Filter Pad for Professional Canister Filter (2pk)

Replacement Pro-Filter Small Black Coarse Filter Pad for use with Hydor 150 Professional Canister Filters - 2 per pack. Highly porous mechanical sponge that captures large debris.

From $19.99
Reef Octopus Elite Super Cone Protein Skimmer

Reef Octopus Elite Super Cone Protein Skimmer

Ultimate in Control & Performance The new and innovative Reef Octopus Elite 200-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons. The Reef Octopus Elite 200-INT is constructed of high-qua...

From $599.99
CPR SR Protein Skimmers

CPR SR Protein Skimmers

The SR2 is suitable for aquariums in the 10 to 60 gallon range. The unique design places the air inlet venturi prior to the pump impeller achieving an effect similar to needle-wheel skimmers in that the impeller chops the bubbles ...

From $103.99
AquaC EV-1000 Protein Skimmer

AquaC EV-1000 Protein Skimmer

The revolutionary AquaC protein skimmers do not use venturis, downdraft tubes, or air pumps; they employ the patented "Spray Injection System." This innovation allows the protein skimmer to efficiently draw in much more air than a...

$659.99
Zoo Med Microclean 304 Internal Filter

Zoo Med Microclean 304 Internal Filter

Feature(s): Multi-function internal filters for aquariums, terrariums (i.e. turtle or amphibian tanks) or small ponds. The 304 is for 5 to 15 gallon tanks For fresh or saltwater applications. Both filters come with our Un...

$18.99 $12.99
Eheim Filter Pad for 2213 Canister Filter

Eheim Filter Pad for 2213 Canister Filter

Filter Pad for Eheim Classic External Filter 2213 (1 pc)

$5.99
AquaMaxx Skimmer Pump Air Intake Silencer

AquaMaxx Skimmer Pump Air Intake Silencer

AQUAMAXX SKIMMER PUMP AIR INTAKE SILENCER 6MM The AquaMaxx Air Silencer is perfect for quieting the noise made by the massive air intake on the Sicce PSK protein skimmer pumps. The 10mm silencer is designed for the Sicce PSK-25...

From $15.99
251 - 275 of 342
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:
Marine Depot Newsletter Signup
Aquariums, News & Culture
Join 100,000+ readers who receive weekly tips, videos, deals and giveaways.