It's easy to make your own filter . All you need ia a Miniature Barrel, Easy clean Media, Japanese Filter Matting and Bulhead fitting.
Filters ponds 500 - 800 gal. pond depending on fish load.
Kit includes (1) barrel 26" L x 14" H; (2) lbs. easy clean media; (1) japanese filter mat; (1) 1" bulkhead
Simply add bulkhead(s) into the waterfall filter, fill it with media of your choice and your ready to go. Make your own stepping waterfall with the stepping waterfall pictured on the right, or use it as a weir in a formal design koi pond.
This waterfall basin by W. Lim is perfect for formal designs. Build this right into a wall and you'll have a very nice sheer descent waterfall. Bulkheads are not included and must be purchased separately.