Hydronix HF3-10CLWH34PR, 10" Clear Housing with White Rib Cap for RO & Filtration Systems, 3/4" Ports with Relief Button

The Ista I-539 seems to have a diffuser built into the unit and then a reactor chamber to swirl it all around? But would something like a water filter housing sitting in-line after the in-line diffuser work? You'd be able to stick whatever size hose fittings you need.