AquaFX's New Misty Reactor.

It retails for $49. But it is on sale this month for $39- if purchased online.

The AquaFX Misty Reactor is an innovative "small" reactor, that does a BIG job. It is perfect for tanks where you just don't have the room to run the standard reactors. Complete with regulating valve, this unit can be used with a variety of pumps. Made with our Quick Connect fittings for easy customizing. 2 mounting brackets are included. Comes with 2 feet of 3/8" tubing.

It will hold approximately 1/2 cup of GFO, and about a cup of Carbon.