PondMaster® Clearguard Pressurized Replacement Foam Pad Flow Rate at 5 Feet of Head_4470 GPH Compatible with most aeration devices

Compatible with most aeration devices

Large ponds & lakes: use 64 tabs per one surface acre every 4 weeks

Nearly all aquatic plants obtain nutrients through their roots

If you are located in a region that experiences long periods of extremely cold weather

Safely Removes Calcium and Scale from Water Fountains

PondMaster® Clearguard Pressurized Replacement Foam Pad Flow Rate at 5 Feet of Head_4470 GPH Compatible with most aeration devicesThis is a replacement foam pad for PondMaster Clearguard Pressurized Pond Filter shown as #11 in the image. Available: Foam pad for Models 05615 (2,700 gallon pond), 05625 (5,500 gallon pond), 05635 (8,000 gallon pond) Foam pad for Model 05645 (16,000 gallon pond)