Great Aquariums Start Here
1-800-566-3474
Live Chat Support
    Free Shipping On $75+
  • FREE Shipping On $75+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $75
Standard ground shipping (1-7 business days) starts at a low $4.99 and most orders over $75 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:
26 - 50 of 199
NextReef MR1 GFO and Carbon Filter Media Reactor

NextReef MR1 GFO and Carbon Filter Media Reactor

NextReef MR1 Media Reactor NextReef Reactors Loom Large Over the Competition! The MR1 families of Media/Substrate Reactors feature a massive 4-inch reaction chamber. The extra wide design maximizes water to media contact, incre...

$80.99
Fluval Carbon Filter Media, 100 gram (3/pk nylon bags)

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
ViaAqua Poly-Reactor (Multi-Media Reactor)

ViaAqua Poly-Reactor (Multi-Media Reactor)

Feature(s): Equipped/ready to use Use in-sump or hanging pump Intake and output tubing Up flow filtration Sediment discharge filtration Variable flow water pump Twist-off top with recessed o-ring

$44.99
Hydra Aquatics BioPellet Reactor

Hydra Aquatics BioPellet Reactor

The Hydra Aquatics Biopellet Reactor is a great piece of equipment used to boost biological activity in an aquarium with the use of biopellet media. The reactor works by pushing a stream of water through an accelerator which agita...

From $70.78
Aquarium Pharmaceuticals® API FilStar Super Activated Carbon

Aquarium Pharmaceuticals® API FilStar Super Activated Carbon

Canister filter media designed to fit the FilStar XP. A high quality carbon for removal of dissolved organic wastes, foul odors and colors from fresh and saltwater. Super Activated Carbon - for fresh and salt water: Manuf...

$5.99
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
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
Eheim Coarse Filter Pad Eheim Canister Filter (2 pcs)

Eheim Coarse Filter Pad Eheim Canister Filter (2 pcs)

Filter Pad for Eheim Classic External Filter 2213 (2 pcs)

From $8.49
Eheim Fine Filter Pad for Ecco Canister Filters 3/pk

Eheim Fine Filter Pad for Ecco Canister Filters 3/pk

Fine filter pads for Eheim ECCO 2232/2234/2236 and Eheim ECCO Pro 130/200/300.

$11.36
Eheim Filter Pad Set for G65, G90, G160, 2071, 2073, 2075 Pro 3 Filter (1 x Coarse, 3 x Fine)

Eheim Filter Pad Set for G65, G90, G160, 2071, 2073, 2075 Pro 3 Filter (1 x Coarse, 3 x Fine)

Replacement  EHEIM Prefilter and fine filter pads for Ultra G65, G90 and G160 (Pro 3)

$20.99
AquaMaxx Replacement Thumb Screw for Protein Skimmers, BioPellet & Media Reactors

AquaMaxx Replacement Thumb Screw for Protein Skimmers, BioPellet & Media Reactors

AquaMaxx Replacement Thumb Screw 5/16-18 x 1.0 inch Used on the following AquaMaxx Skimmers and Reactors AquaMaxx SS-3/4i Skimmer pump hold down AquaMaxx CR-1 Calcium Reactor lid AquaMaxx Hang on tank adaptor S...

From $1.29
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 $12.80
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
Aquarium Pharmaceuticals® API FilStar Micro-Filtration Pad

Aquarium Pharmaceuticals® API FilStar Micro-Filtration Pad

Canister filter media designed to fit the FilStar XP. For ultra-fine filtration and polishing. Micro-Filtration Pad: Removes extremely fine waste, sediment, and particles from water Helps clear cloudy water "Polishes" wa...

$4.99
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
Lifegard Aquatics 9 inch 20 Micron Cartridge CL-9 R172006A

Lifegard Aquatics 9 inch 20 Micron Cartridge CL-9 R172006A

9" 20 Micron Cartridge CL-9 for Lifegard Aquatics AF-94 Single Inline Mechanical Filter (requires 9 3/4" standpipe)

$13.99
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
Nu-Clear Model 530 & 533 Replacement Canister Filter Cartridge, 25 Micron, 30 sq. ft.

Nu-Clear Model 530 & 533 Replacement Canister Filter Cartridge, 25 Micron, 30 sq. ft.

Nu-Clear Canister Replacement Pleated Filter Cartridge 30 square foot, 25 micron.

$53.99
Aquarium Pharmaceuticals® API FilStar Foam 20

Aquarium Pharmaceuticals® API FilStar Foam 20

Canister filter media designed to fit the FilStar XP. Foam 20 - (20 ppi - pores per inch) Removes coarse debris and solid wastes before they enter chemical and biological filtration chambers. Can be rinsed and re-used many ti...

$6.49
Aqua Clear Hang-On-Back Power Filter, UL Listed

Aqua Clear Hang-On-Back Power Filter, UL Listed

Feature(s): Quiet Low operating costs Complete filtration Large filter media volume Superior contact time with filter media Cycle Guard, for continuous biological filtration and superior water quality Includes...

From $38.99
Buy an Innovative Marine Minimax All-In-One Desktop Media Reactor and get AquaMaxx Carbon One - 2 Quart FREE

Buy an Innovative Marine Minimax All-In-One Desktop Media Reactor and get AquaMaxx Carbon One - 2 Quart FREE

Buy an Innovative Marine Minimax All-In-One Desktop Media Reactor and get AquaMaxx Carbon One - 2 Quart FREE Innovative Marine MiniMax All-In-One Media Reactor - DeskTop - Information If you desire the highest water qualit...

$98.99
Korallin BioDenitrator w/o Pump

Korallin BioDenitrator w/o Pump

*Eheim 1048 pump required and sold separately Feature(s): Large internal volume with a small footprint Optimal efficiency through high internal recirculation and fast Nitrate removal Top-loading lid with detachable tube...

From $343.49
Aquarium Pharmaceuticals® API FilStar Foam 30

Aquarium Pharmaceuticals® API FilStar Foam 30

Canister filter media designed to fit the FilStar XP. Foam 30 - (30 ppi - pores per inch) Removes fine debris and solid wastes before they enter chemical and biological filtration chambers. Can be rinsed and re-used many time...

$6.99
Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

19 1/2" 20 Micron Cartridge CL-19 for Lifegard Aquatics AF-94 Double Inline Mechanical Filter (requires 19" standpipe)

$14.99
Two Little Fishies Reactor 550 Replacement Foam Disks

Two Little Fishies Reactor 550 Replacement Foam Disks

Replacement Foam Disks for the Two Little Fishes 550 Reactor

$4.49
26 - 50 of 199
Add to Cart or Notify Me
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.

Notify Me
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 AN ORBIT MARINE PRO! Sign up for our best deals, video tutorials and your chance to win a $342 Current USA LED!