Hi Shane,
Good luck! It's definitely a Filter-Flo, and if I were to guess I'd say late-70's. The controls look very similar to my '77 Dispensall, except without the Mini-Quick toggleswitch, and possibly the added soak/pre-wash. All in all, it's a great machine. GEs aren't hard machines to work on (the excellent step-by-step repair manual comes up on eBay frequently), and a great 'first vintage machine'. Let us know if you need any help!
Austin