Better late than never, I suppose.......
The 4 stage is the Odyssea CFS-4 and the 5 stage is sold as Jebo 829.
Just got in another last week. Now I can just swap the cans and keep the filtration going.
Have a terriffic day !!
2-30 Gal. fry tanks, 75 Gal. Community Planted,
75 Gal., 110 Gal. & 150 Gal. Malawi