Are there alternative solutions available that would allow us to avoid using these canisters or this material?

Question: 
Drinking water for employees is often provided by a company that uses polycarbonate water canisters. Are there alternative solutions available that would allow us to avoid using these canisters or this material?
Réponse: 

It seems to be difficult to procure canisters made from an alternative material, as there are still development problems at present (concerning the materials' resistance to repeated washing of the canisters, etc.). However, other types of machine exist that distribute chilled, filtered water without using canisters. They can be connected to the public drinking water supply.

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