All Categories > Sight Windows > W11 Series ASME Sight Windows > W11 Series Style BO Bolt-On Sight Windows > Advanced Search Advanced Search in W11 Series Style BO Bolt-On Sight Windows Unit of Measure Imperial Metric Both Specifications Size (in) No Preference 1 1-1/2 2 3 4 6 8 Flange Material (Wetted) 316 Stainless Steel Carbon Steel Clear Cancel Advanced Search
