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 nunts (no overhanging parts);
5) Tinted acrylic;
6) EC approved under area 1 category 1;
7) Special mounting system: the porthole is coupled with counterflange with just one quick operation, which means shipyard labour cost savings.