This is Atlantic Water Garden's Pond-Free Basin for Colorfalls. We have a large selection of Fountains & Pond Decor/Colorfalls/Colorfalls Accessories and other pond and water garden supplies from Atlantic Water Gardens.

Manufacturer's Description
Colorfalls Basin Features: Pre-filtered pump chamber. One-piece construction. Built-in plumbing channels. Can be installed above or below grade. For use with Colorfalls, FastFalls and TW2 pumps