I thought I'd share a couple photos of the "permanent" install. I spray painted the pvc a grey to somewhat blend in with the tree trunks (ran out - need to get another can). I notched the top of the tower to accept the 1-1/2" water inlet pipe and topped it with a strainer (also notched over the pipe) held in place with a screw. I'll be running some 2" flex pvc to the waterfall box so the outflow will have some contact with the biofilter.