Fluval Spec Carbon Bags Filter Media, 3-pack

Skip image gallery
Slide 1 of 4

$3.24 First Time Autoship Price
this order
Save 35% (up to $20) today when you set up Autoship. 
$4.74 Autoship Price
(-5%) future orders
  • Keep saving 5% on every order
  • Get deliveries on your schedule
  • Skip, change, or cancel anytime
$4.99 Chewy Price
($1.67 /ea)
Save $1.00 (-17%)
$5.99 List Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card + Free Shipping with code: WELCOME
In Stock
FREE 1-3 day delivery on first-time orders over $35
Free 365-day returns

No interest if paid in full in 6 months on PayPal purchases of $149+. .

About This Item

Details

  • Specially designed to fit Fluval’s Spec Desktop Aquariums.
  • Premium filter media is made of activated carbon for critical stage 2 chemical filtration.
  • The large surface area helps absorb impurities that can negatively affect the quality of your aquarium water.
  • Helps remove discoloration, pollutants, heavy metals and odors.
  • Every purchase comes with three Spec Carbon Bags to help keep your saltwater or freshwater aquarium in pristine condition.

Instructions

Frequently bought together

Questions & Answers

3 Customer Questions

What are the measurements

Answer by Chewy • Jun 05, 2021
The measurements of the Fluval Spec Carbon Bags Filter Media are 4 x 3.3 x 2.8 inches as expressed by LxWxH.

Will this work in my fluva evo saltwater kit 5 gallon

Answer by Chewy • Feb 28, 2022
These carbon bags are specifically designed to fit Fluval's Spec Desktop Aquariums.

Will this fit in the fluval 9 gallon flex aquarium

Answer by Chewy • Dec 06, 2025
This media is specially designed to fit Fluval’s Spec Desktop Aquariums.
Reviews
Write a Review
4.7
Rated 4.7 out of 5 stars
63 Ratings
Terms & Conditions

16 Customer Reviews

Rated 5 out of 5 stars
By Ava on Dec 17, 2025

Easy to use

Filters fish tank.

Filters fish tank.

Rated 5 out of 5 stars
By Joseph on Nov 29, 2025

Prompt and Accurate

Great Variety

Great Variety

Rated 5 out of 5 stars
By Jeanette on Mar 7, 2025

Grateful I can buy Aquarium supplies from Chewy!

My pet (freshwater fish) thanked me for their clean tank and said they hoped I wasn’t having seafood for dinner!

My pet (freshwater fish) thanked me for their clean tank and said they hoped I wasn’t having seafood for dinner!

Rated 5 out of 5 stars
By Scott on Feb 3, 2025

Glad you carry these!

I use these carbon filters every water change/tank maintenance and happy to be able to add them on to our normal cat/dog supply order. Thanks

I use these carbon filters every water change/tank maintenance and happy to be able to add them on to our normal cat/dog supply order. Thanks

Rated 5 out of 5 stars
By Janet on May 1, 2025

I could finally get what I needed

It was exactly what I've been looking for for weeks.

It was exactly what I've been looking for for weeks.

Rated 5 out of 5 stars
By Deborah on Jun 29, 2025

Quickness of delivery

Not sold in stores in my area.

Not sold in stores in my area.

Rated 4 out of 5 stars
By Kambiz on Dec 14, 2024

Fluval filter

Using it in my Tetra filter. It is very high quality and smaller than I thought but working great

Using it in my Tetra filter. It is very high quality and smaller than I thought but working great

Rated 1 out of 5 stars
By taveina on Jul 19, 2025

NO GOOD AT ALL

NO GOOD AT ALL

Rated 5 out of 5 stars
By Norma on Nov 28, 2024

My order arrived so fast

I was amazed at how fast my order came. The whole process was quick and painless

I was amazed at how fast my order came. The whole process was quick and painless

Rated 5 out of 5 stars
By Allen on Oct 18, 2024

Great product!

As describe. Simple little product.

As describe. Simple little product.