Pondmaster "Original Replacement Media" 2 pack - Contains One Coarse Polyester filter pad to provide filtering of large debris and One Carbon Coated filter pad for finer particles to be removed. Recommend placement is to place the Coarse filter as the top layer and follow with the Carbon Coated to form a gradual filtration process. Together these pad provide biological and chemical filtration.  Part# 12202
 
1 Coarse Polyester Pad 
1 Carbon Coated Pad
Provides chemical & biological filtration
Size: 12" x 12" 
 
Compatible With: 1000 & 2000 Series