They have a 10 gallon per day unit for $110USD, and the replacement
cartridge is $40. A 20 gallon unit is $170. All units come with
a one-year prorated warranty.
If you want more info, call 619 744-3012, or write:
Spiral Filtration
747 N. Twin Oaks Valley Road #13
San Marcos, CA, 92069
I have no affiliation with Spiral Filtration, but I thought
that this info might be of interest to the group.
Best regards,
-- Rick Walker