Carta satisfacción NatureWorks Villarcayo

To whom it may concern:
Mr. Jose Angel Mateo Garay, as the Councillor Responsible of the Municipal Water Services of
the Villarcayo Council in Burgos, signs this document to attest that the Nature Works Hi Tech
filter Media glass is being used and is giving very satisfactory results at our Water Treatment Plant for Human
Consumption.
We would unreservedly recommend this product and we note that the results are those expected and we have not found any noteworthy inconvenience.
In witness whereof, I sign this document on the date specified.
Yours,