Steam Boiler Sight Gauge Glass(H.P.) 5/8" OD w/ 2 Gaskets, 3" to 16" Length

Steam boiler service working pressure CLEAR Sight Glass Specifications OD: 27/32" (21.50 mm). Wall Thickness: 7/64" (2.78 mm) ± 1/64". Borosilicate 3.3 Glass. (3" ~ 16" Length). Length:3.0" to16.0".