Made of mirror polished AISI 316 stainless steel, features:
1) Invisible external screws; 2) Underlined water drain angle;
3) Fitted with counterflange and fly screen; 4) Adjustable lock wing nuts (no overhanging parts);
5) Tinted acrylic; 6) EC approved under area 1 category 1;
7) Special mounting system: the porthole is coupled with the counterflange with just one quick operation, which means shipyard labour cost savings.