"Annually Cleaned" waterfall filters can only be cleaned by hand
Annually Cleaned Waterfall Filters - What You Need to Know

The TRUTH About "Annually Cleaned" Waterfall Filters - What They Don't Want You to Know

You should read this BEFORE you purchase any brand of Pond Kit, Pondless Waterfall Kit, or Waterfall Filter.  We show you what they don't want you to see and give you information that they don't wa...