Dwyer 17DSFI400SS3/4

Dwyer SFI-400SS-3/4 Sight flow indicator, 3/4" body, 5.125" (130 mm) length, 3.875" (98 mm) flange dia., 1.750" (44 mm) viewing dia., 4.8 lb (2.2 kg). from StaniosIndustrial.com