The 100-micron polyester felt filter bags are extremely effective at providing both fine mechanical filtration (water polishing) and a full scale biological filtration. These bags are washable and can also be bleached many times to sustain optimal flow capacity.

Each set includes:

1. Filter Bag 4-inch DIA x 12-inch Long - 2 EA;
2. Filter Bag 4-inch DIA x 5-inch Long - 2 EA;