Sight Glass, 165° F, 500 psi, 4 in OD x 8 in L, Threaded Connection no checkout notching and grinding on ferrous notching and grinding on ferrous metals Light Duty Big Catalog YES Brand Weiler Bristle Material Stainless Steel Brush Diam 3 4 in Catalog MPI Catalog Construction Catalog NO Country of Origin US Hazmat NO Height [Nom] 3 1 8 in Jan San Catalog NO Overall Length [Nom] 7 in Prop 65 YES Quantity 1 per pack Quarterly Flier NO Special Order NO Speed [Nom] 22 Allows the pumper and water hauler to see what is flowing through drain lines at all times Clear view nipple is made from a tough shatter resistant polycarbonate This type of plastic has more than 30 times the impact resistance of safety glass Withstands prolonged exposure to ultraviolet rays