Maytronics Extra Coarse Activate Glass Media 25# A999010

Activate is a glass filter media designed to provide ,you with clearer, cleaner healthier water. Our 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 - Creates 300 times more surface area for superior filtration downto 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