Pressurized Water Storage Tank with for Reverse Osmosis Sys (Rhayader LD6)

I have two of these iSpring T32M Pressurized Water Storage Tanks with with Ball Valve for Reverse Osmosis RO Systems, 4 Gallon. They are unused, boxed and, I think, in full working order. For more information see

https://www.ispringfilter.com/ac/ispring-t32m-pressurized-water-storage-tan...