Bio-mechanical media to support the growth of beneficial bacteria.
- connects to 2" ID PVC fitting.
- Simplified waterfall construction
- Instant waterfall makes eye-pleasing
- water return
- No glue liner connection
- 16" or 31" waterfall curtain
- Injection molded
- Rated for flow from 900 gph to 3000 gph-16" and up to 10,000 for 31" weir