Quality certificates:

CE Hidrocrom	DVGW Aquanova 30-09-2014
DVGW Drako 13-05-2013	DVGW Ergos 27-06-2011
DVGW Kreos 13-05-2013	DVGW Vulcano 13-05-2013
LGA Aquanova 30-06-2015	LGA Drako 31-03-2013
LGA Vulcano 31-05-2013	WRAS 2013
Belgaqua Drako 5-11-2014	Watermark WMKA00505 14-04-2014
WELS R002039 12-05-2015	WELS S000264 6-07-1016
WELS S000264 A 28-01-2014	WELS S000264 6-07-1016