Crown 58GG12 5/8" OD X 12" Long Standard Pressure Boiler Gauge Glass (Boiler Level Sight Glass)
Does Not Include Gaskets Or Friction Rings. For Gaskets See GGW58 And Friction Rings See 58BW This Glass Is Widely Used In Low Pressure Steam Boiler Applications. Easily Cut To Size Using A Gauge Glass Cutter (Sold Separate).
Specifications: 5/8" O.D. 12" Length Maximum Recommended Working Pressure (PSI) At Temperatures Up To 150°F 205psi Steam Boiler Up To 425°F 100psi