McMaster 4436T37 Clear PMP Plastic Graduated Cylinder, 1000 ml 34 fl oz, Class B, Autoclavable G0374421 For Use With Rheem Tank For Use With Rheem Tank Water Heaters 8 gpm Barrier Free No Installation Type Plumbed Inlet Pipe Gender Male ANSI Compliance Primary Environment General Purpose Inlet Pipe Thread Type NPT Mount Style Standard Activation Squeeze Handle Compatible with Brand Bradley Series Halo Activation Type Squeeze Handle Compatible with Series Halo Inlet Connection Type 3 8 in NPT Male Minimum Flow Rate 2 so liquids don’t cling to the sides Precisely measure and pour liquids with confidence—these cylinders won’t break if they tip