Dr. Dryden's Activate Grade 2 Coarse Filter Media
Activate is a glass filter media designed to provide you with clearer, cleaner and healthier water. The proven activation process makes this product scientifically better than all other glass filter media and far superior to sand media.
- Ultrafine filtration for CLEARER water
- Created 300 times more surface area for superior filtration down to 4-5 microns.
- Negatively charged filter media for CLEANER water
- Attracts and captures harmful bacteria like a magnet.
- Self-sterilizing surface for HEALTHIER water
- Prevents the growth of bacteria and algae by inhibiting reproduction.