Great Aquariums Start Here
1-800-566-3474
    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:
1 - 25 of 36
Innovative Marine AUQA Gadget CustomCaddy - Media Basket

Innovative Marine AUQA Gadget CustomCaddy - Media Basket

Customize your mechanical, chemical, and biological filter media or convert to a living refugium with our larger and more robust CustomCaddy media baskets. Choose between your favorite filter pads, activated carbon, ion exchange r...

From $19.99
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
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
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
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
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
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
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
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
Berlin Sump 7 Inch Acrylic Sock Holder Mount

Berlin Sump 7 Inch Acrylic Sock Holder Mount

Hang-on acrylic mount for Berlin Sump filtration system. Great add on for any sump. 1.5" drain will handle 800-1000 GPH. Filter sock not included. Dimensions: 10" L x 7" Wx 11.5" H

$26.99
Eheim Hose 0.50in/0.65in (10ft)

Eheim Hose 0.50in/0.65in (10ft)

Eheim Hose 12/16mm or 0.50"/0.65" (10 ft)

$15.99
Aquarium Pharmaceuticals® API Bio-Chem ZORB for NEXX or RENA Filters Size 4

Aquarium Pharmaceuticals® API Bio-Chem ZORB for NEXX or RENA Filters Size 4

Advanced filtration material for crystal clear water designed to fit the API nexx FILTER. Better than carbon alone! Ultimate filtration medium for crystal clear water. Bio-Chem Zorb® removes organic aquarium pollutants, including...

From $8.99
Berlin Sump Acrylic Mount with Filter Sock

Berlin Sump Acrylic Mount with Filter Sock

Berlin Sumps: Hang-On Acrylic Mount with Filter Sock Hang-On Acrylic Mount with Filter Sock

$26.99
Marineland Pleated Micron Cartridge Single for All Magnum Canister Filters

Marineland Pleated Micron Cartridge Single for All Magnum Canister Filters

For fast cleanups and removal of microscopic particles. Reusable cartridge contains 320 sq inches of surface area. Fits all Magnums.

$15.99
Eheim Hose 0.65in/0.90in (10ft)

Eheim Hose 0.65in/0.90in (10ft)

Eheim Hose 16/22mm or 0.65"/0.90" (10 ft)

$26.49
Two Little Fishies CDX Carbon Dioxide Adsorption System

Two Little Fishies CDX Carbon Dioxide Adsorption System

Many aquariums suffer from low-pH issues. Sometimes it`s the carbon dioxide that accumulates in the air in closed buildings that won`t let the pH of your aquarium stay up. TwoLittleFishies have the solution: It`s called CDX, a Car...

From $12.99
Eheim Double Tap Quick Release 0.50 inch/0.65in

Eheim Double Tap Quick Release 0.50 inch/0.65in

A quick disconnecting coupling with one on/off valve each. Double taps are an ideal solution for clean, hassle free filter maintenance. They should always be installed on the water intake and output as close to the filter as possi...

$21.99
AquaMaxx Hang-On Bracket for BioMaxx BioPellet and Media Reactors

AquaMaxx Hang-On Bracket for BioMaxx BioPellet and Media Reactors

Hang-on bracket for AquaMaxx BioMaxx and Media Reactors

$20.99
Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridge

Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridge

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.

From $17.49
Eheim Professionel 3e Filter Media Pad Package

Eheim Professionel 3e Filter Media Pad Package

Media Package includes 1 coarse pad and 4 fine filter pads made specifically for the 2076 and 2078 Eheim 3e filters. Additional filter media is recommended.

$23.99
Aquarium Pharmaceuticals® API SuperClean Power Filters

Aquarium Pharmaceuticals® API SuperClean Power Filters

API SuperClean 5-20 Hang-On Power Filter With many effective and innovative features, the API SuperClean Power Filter will help to keep your aquarium clean and crystal clear. Advanced cartridge technology allows you to easy c...

From $19.99
EHFISYNTH Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

EHFISYNTH Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

EHFISYNTH Filter Pads for Eheim Professionel External Filter 2226/2228 (also for 2026/2028/2126/2128). Includes 3 pads per pack.

$16.99
Eheim Filter Pad Set for 2080 Pro 3 Filter (1 x Coarse, 4 x Fine)

Eheim Filter Pad Set for 2080 Pro 3 Filter (1 x Coarse, 4 x Fine)

Feature(s): 1 x Coarse Filter Pad 4 x Fine Filter Pads

$23.99
Lifegard Aquatics Cartridge CL9A (2 Reg. for AF94-19 and 3 Reg. for AF94-29)

Lifegard Aquatics Cartridge CL9A (2 Reg. for AF94-19 and 3 Reg. for AF94-29)

Cartridge CL9A for Lifegard Aquatics AF-94-19/29 Inline Mechanical Filter

$17.99
1 - 25 of 36
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.