12.5 lb bag of Perlite filter media. This is a safer, more econmical alternative to D.E. filter powder. Have safer, cleaner and clearer water with Perlite filter media.

• Safer to use (D.E. is a carcinogen)
• Volcanic in origin so no shortage problems!
• Silica free
• Lower density allows a more uniform & faster pre-coating - filters down to 3 microns
• Half the weight of D.E. (use the same size scoop)
• 1/2 lb Perlite = 1lb D.E.
• Easier cleanings and backwashes
• Overall improved filter density