Gravity Fed Rotafold Bio Filter
(Pump fed model available soon)

Its unique design with a circular settlment tank at the base, encourages heavy solids to settle out and not be carried up into the above filter system. Filter media supplied includes five cubic feet of flocor and thirty six foam filter blocks (4" x 4" x 10" each) mounted on a manifold system.

Cutaway drawing of Rotafold. Water enters via 110 mm inlet (bottom right).

2000 gallon per hour flow rate (max) on standard 110 mm inlet.
Inlet can be reduced to 3" on smaller turnovers.
2" pipe to drain. Supplied with 2" ball valve

Height 45" - Width 35" - Length 35"
Shown with left side sponges removed

Internal manifold & filter /foam assembly