Blagdon 1051217 Affinity Split Rill Waterfall – An Addition to the Octagon or Half Moon Affinity Living Feature Pools, BlackXL display Blagdon Affinity Living Water Feature Pool It adds aeration to the pool and the calming sound creates a tranquil atmosphere This waterfall feature runs off the water outlet from the InPond Filter Pump which was included with your original Affinity Pool. Simple to clean and maintain