Sign in to unlock exclusive benefits
30-Day Free Returns*
Ensure pristine water and optimal clarity in your aquarium with a reliable filtration solution. Maintain a healthy aquatic environment effortlessly with durable, easy-to-use equipment. Seachem Laboratories The Bag Filter Media 5-in X 9.5-in securely holds filtration media for efficient water flow and particle control. Seachem The Bag provides long-lasting performance and chemical resistance for repeated use. It is an essential choice for anyone seeking the best fish tank filters for both freshwater and marine aquariums. Keep your aquarium running smoothly and enjoy crystal-clear water every day.
Resealable locking closure
Polyethylene
Welded
Resistant to bleach, caustics, and acids

The Bag works great for containing filter media in my aquarium. It's durable, easy to fill, and allows maximum water flow—a reliable and reusable option for any filtration setup.
Use code: WELCOME10
To Get Instant 10% Discount on Your First Order!
Screen reader optimized
Clear flashes & reduces color
More focus & fewer distractions
Assist with reading & focusing
Enhances website's visuals
Enter your email to claim your exclusive welcome discount.
For first-time customers only. We will send a verification code to your email.
We sent a 6-digit code to
Your code is ready to use. Apply it at checkout.
—
This referral discount is only available for first-time customers. Thanks for being a loyal shopper!
Loading subscription options…