Fluval BioMax Replacement Media for U2, U3, and U4 Series Underwater Filters provides an optimal environment for biological filtration. Each ring has a complex pore system that allows beneficial bacteria to thrive, helping to reduce and control ammonia and nitrate.
- Provides optimum biological balance
- Complex pore system supports colonization and growth of beneficial bacteria
- Reduces and controls ammonia and nitrate
- Replacement bio-media for Fluval U2, U3 and U4 Underwater Filters
Directions: Rinse before using. Safe for freshwater, marine, or reptile habitats.
We ship 100% of our pet supplies to ensure orders ship fast and are delivered on-time. Orders enter the fulfillment process within 15 minutes of ordering online. Orders placed after 9 AM EST ship within 1 business day Monday-Friday, excluding all major holidays. Flat-rate shipping rates based on your sub-total are displayed at checkout for your convenience.
Free Shipping - on orders over $750
Fast Handling - orders after 9AM EST Monday-Friday process in 1 business day
Fast Shipping - packages are delivered in 1-5 business days with FedEx and USPS
We ship within the 48 contiguous United States, excluding Hawaii and Alaska. A FedEx or USPS tracking number will be emailed upon shipment and will provide an accurate estimated delivery date on each carrier's website. FedEx tracking numbers are 12 digits long and USPS tracking numbers are 22 digits long.
All of our pet products are 100% authentic from brands you can trust. Our pet supplies are brand new and come with applicable manufacturer warranties.
100% Authentic - all brands are 100% authentic for your protection
New Products - all products are new and come with applicable manufacturer warranties
Since 2022 - we have been a pet product seller for hundreds of quality pet brands for over 2 years
We have earned a reputation as a trusted full line pet supply distributor by partnering with over 200+ popular pet brands from authentic pet brand manufacturers. As a pet supplies re-seller in North America, we are proud to offer a full line of pet supplies for dogs, cats, reptiles, birds, aquariums, ponds, and small pets. New pet products and popular pet brands are added to our inventory monthly to meet demand and seasonality.
Customer satisfaction is extremely important to us. Products may be returned within 30 days of receipt. If you are not 100% satisfied with your purchase, you may return your items for a refund. Returns must be unused, unworn, and in the original condition with manufacturer packaging to warrant a refund.
30 Day Returns - any unused item in the original condition can be returned
Fast Refunds - our returns department will process your refund within 1 week of reciept after inspection
All refunds are processed back to the original payment method at the time of purchase. After a refund has been processed your bank may take 24-72 hours to post the refund back to your account. You can view your order history and refunds online for your convenience.