Be certain what you sell and fix - choose elements which possess certificates – collect your installation without any problems.
See our new Hygienic certificate :
Hygienic certificate on rectangular duct's silencers of galvanised sheet
Hygienic certificate on flexible ducts for ventilation
: ALDUCT AD-L, ALDUCT AD-3,
SONDUCT AD-L, SONDDUCT PE AD-L, IZODUCT AD-3
All certificates are available on our web page
http://www.alnor.com.pl/certyfikaty.html - and are valid only with copy of invoice.
