30-12-2021, 09:23 PM
(30-12-2021, 09:10 PM)sgbuffett Wrote: If you understand how CPAP works its like saying your belt holding up your pants need a certification or a walking stick need certification .
The cheaper one is certified and used by several million People....in China. It is already quite popular among budget conscious Singaporeans.
But if so concerned and money is no issue go ahead and get the $3000 one.
If the cheaper one is certified and used by several million in China, then it will be wise to purchase one....