Older Kinetico RO System Help!

[HiQ]

So we purchased an acreage (on well water) that has a Kinetico softener system as well as RO system. The softener system is chugging along nicely (just filling up the salt so far), but we're worried about the filters in the RO system. I did a little reading and it looks like the system stops after 500 gallons.

We are looking to purchase an extra set of filters to have them handy for when this happens (we use the RO quite a bit). The bigger issue is we aren't 100% sure of what we have or the filters we need.

I have attached some pics, but the one bracket says "Drinking Water System Plus GX". I also found two filters hanging around: Kinetico MACguard 2760A (Taste and Odor Carbon Cartridge) and an Excelpure PP10-05 5 micron sediment filter.

Can anyone shed a little light on what we actually have, all the required filters/membranes, service intervals and maybe a manual or how to on service/replacement?

Thanks in advance!

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[pawaterguy]

Filter changes are once a year or 50 gallons, whichever happens first. A prefilter of any type will work. The 2760 MAC filter has to be the Kinetico 2760 to make the unit work. If the membane goes, you're better off upgrading to the new K5 as this system is a few versions of their RO old and probably would not be worth putting that kind of money into.