Click to Verify - This site chose VeriSign SSL for secure e-commerce and confidential communications.
Security Seal
Marine Depot Live Chat Support
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
Expires in 00:00:00
In-Stock! EcoTech Radion XR15w PRO LED Light
0 items
Your cart is currently empty.
View Cart Checkout
Aquarium Supplies
Search Results for Saltwater Aquarium Supplies > Filters
Show: per page
Grid View Grid List View List
Sort by:
26 - 50 of 349
NextReef MR1 Complete GFO and Carbon Filter Media Reactor

NextReef MR1 Complete GFO and Carbon Filter Media Reactor

NextReef Reactors Loom Large Over the Competition! The NextReef MR1 GFO and Carbon Filter Media Reactors feature a massive 4-inch reaction chamber. The extra wide design maximizes water to media contact, increasing efficiency a...

$100.99
Berlin Sump Replacement Sponge

Berlin Sump Replacement Sponge

Berlin Sump BS-1 Filter Foam Block Size: 4.5" x 5" x 2.5"

From $5.29
Two Little Fishies Phosban Reactor Extension Kit

Two Little Fishies Phosban Reactor Extension Kit

PhosBan Reactor 150™ Extension Kit This kit contains all the parts needed to make a flexible and space-saving pipe connection for installing the PhosBan Reactor hanging on the back of an aquarium, or on the side of a filter sum...

$3.49
NextReef MR1 GFO and Carbon Filter Media Reactor Sponge

NextReef MR1 GFO and Carbon Filter Media Reactor Sponge

Replacement media sponge for the NextReef MR1 Reactor

$4.99
Innovative Marine AUQA Gadget Nuvo SkimMate Nano Protein Skimmer

Innovative Marine AUQA Gadget Nuvo SkimMate Nano Protein Skimmer

AuqaGadget - SkimMate - Desktop - Protein Skimmer. Up to 25g Nano Size…Huge Performance! Supercharge your NUVO with the efficient SkimMate needle-wheel foam fractionator, which effectively removes dissolved organics, incr...

From $98.99
Eheim Fine Filter Pad for Eheim Canister Filter (3 pcs)

Eheim Fine Filter Pad for Eheim Canister Filter (3 pcs)

Filter Pad for Eheim Classic External Filter 2213 (3 pcs)

From $7.19
AquaMaxx ConeS In-Sump Protein Skimmer

AquaMaxx ConeS In-Sump Protein Skimmer

AquaMaxx ConeS In-Sump Protein Skimmer AquaMaxx ConeS Series In-Sump Protein Skimmers efficiently remove organic waste from aquarium water. With an advance bubble chamber design that features numerous conical diffusers, the tu...

From $269.99
AquaMaxx BioMaxx BioPellet Reactor

AquaMaxx BioMaxx BioPellet Reactor

AquaMaxx BioMaxx BioPellet Reactor Controlling nutrients inside our aquariums is one of the keys to preventing nuisance algae growth. The AquaMaxx BioMaxx BioPellet Reactor is a finely-tuned fluidized filter designed to help ho...

From $104.99
Berlin Sump 4 Inch Acrylic Sock Holder Mount

Berlin Sump 4 Inch Acrylic Sock Holder Mount

Hang-on acrylic mount for Berlin Sump filtration system. Great add on for any sump. 1" drain will handle up to 800 GPH Fits aquarium/sump rims up to 7/8" Approximate overall dimensions: 5" x 6.25" x 5.5" Filter sock...

$18.99
Aqua Clear Activated Carbon

Aqua Clear Activated Carbon

Feature(s): For AquaClear 20 and "Mini" Superior adsorption of impurities Broad spectrum organic compound removal Improves water clarity, color and odor Supports benefical bacterial colonies Removes chlorine, smo...

From $1.99
Two Little Fishies PhosBan Reactor 150 Replacement O-ring

Two Little Fishies PhosBan Reactor 150 Replacement O-ring

Replacement O-ring for Two Little Fishies PhosBan Reactor 150

$1.49
Marineland Rite-Size C Cartridge for Penguin 170, 200, 330 & 350

Marineland Rite-Size C Cartridge for Penguin 170, 200, 330 & 350

Replacement Cartridge for Penguin 170, 200, 330 & 350 Filters

From $17.99
AquaC Remora Hang-On Protein Skimmer

AquaC Remora Hang-On 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...

From $159.99
Hagen Fluval Carbon Filter Media, 100 gram (3/pk nylon bags)

Hagen Fluval Carbon Filter Media, 100 gram (3/pk nylon bags)

Fluval Activated Carbon provides many benefits in both fresh and marine water. The high quality carbon provides a large porous area to trap minute particles. Besides providing a small sieve for mechanical trapping of organic was...

$7.99
ASM Protein Skimmers

ASM Protein Skimmers

ASM protein skimmers deliver when other skimmers fail. ASM harnesses a patented technique of needle wheel technology. Built from top to bottom with high quality scratch resistant extruded PVC tubing and the injection molded plasti...

From $128.99
JBJ Reaction Canister Filter: Replacement Filter Floss

JBJ Reaction Canister Filter: Replacement Filter Floss

Replacement Filter Floss for JBJ Reaction Canister White floss should be changed on a monthly basis to remove small trapped debris and free floating particulate matter.

$7.49
Outlet foam for ASM Protein Skimmers

Outlet foam for ASM Protein Skimmers

Outlet foam for ASM Mini G Protein Skimmer

From $5.49
CPR Sock-It 4 Inch Adjustable Filter Sock Holder

CPR Sock-It 4 Inch Adjustable Filter Sock Holder

SOCK-IT PRE-FILTERS 4" filter sock holder; holder, bracket, inlet tube included Mechanical filtration made simple Easily add a filter sock to most any sump (vertical or euro-braced tanks) Tinted body and adjustable heigh...

$27.99 $22.39
AquaC Remora-S Hang-On Protein Skimmer w/ Drain Fitting

AquaC Remora-S Hang-On Protein Skimmer w/ Drain Fitting

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

From $179.99
Lifegard Aquatics 29-1/2 inch Micron Cartridge R172010

Lifegard Aquatics 29-1/2 inch Micron Cartridge R172010

29 1/4" 20 Micron Cartridge CL-29 for Lifegard Aquatics AF-94 Triple Inline Mechanical Filter (requires 29" standpipe)

$17.99
Aqua Clear Foam Filter Block

Aqua Clear Foam Filter Block

Feature(s): For AquaClear 110 and "500" Mechanically filters dirt and debris Tailored fit prevents bupass Large capacity for waste capture Porous construction provides numerous bacterial attachments Long lasting ...

From $2.99
Eheim Suction Cup w/ Clip 0.65in/0.90 inch

Eheim Suction Cup w/ Clip 0.65in/0.90 inch

Eheim Suction Cup with Clip 0.65"/0.90"

$6.49
Tunze Nano DOC Protein Skimmer 9002

Tunze Nano DOC Protein Skimmer 9002

The "Nano" model series has been designed for the use in reef biotopes up to 200 liters (52 gal.) and is gentle to the plankton in operation. The DOC Skimmer 9002 removes up to 80 percent of organic waste matter, such as protein a...

$133.99 $113.89
Aquarium Pharmaceuticals® API Filstar Progressive Micro-Filtration Pad

Aquarium Pharmaceuticals® API Filstar Progressive Micro-Filtration Pad

New and improved canister filter media designed to fit the FilStar XP. Graduated hole sizes allows for increased cleaning efficacy. For ultra-fine filtration and polishing.

$5.99
Eheim Carbon Filter Pad Eheim Canister Filter (3 pcs)

Eheim Carbon Filter Pad Eheim Canister Filter (3 pcs)

Carbon Filter Pad for Eheim Classic External Filter 2213 (3 pcs)

From $6.99
26 - 50 of 349
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: