Orders are processed and shipped during regular business hours (Monday through Friday 8:00 am to 5:00 pm EST, excluding holidays).
Save an extra 20% off your entire order with coupon code: May20
*May exclude certain brands.
**May not be combined with any other offer.
Code expires 5/23/13
Bio-Matrix 4x4 Replacement Filter Media cartridges remove both physical debris and dissolved organics from your aquarium water. Bio-Matrix media pads fit into your existing cartridge frames.