"BOMBAY INSTRUMENT MFG. CO." Make High accuracy, Fully enclosedGLASS TUBE ROTAMETER having Flanged ends at Top & Bottom both of PP material with detail specification as follows. Our Model No. : GT-555-FL-PPType : Direct On-lineMetering Tube : Borosilicate German Taper glass tubeCasing : M.S./304 Casing from 2 sides & clear acrylic Front & backScale : Engraved on milky white acrylic.Gland Packing : PTFEAccuracy : +/- 2% Of F.R.Float : Teflon Loaded , ConicalInlet/outlet : Bottom to TopAccuracy : +/- 2% of F.R.Connection : ANSI 150 # RFAll Wetted Part : PPService : kindly confirmFlow Rate : Kindly confirmQty : kindly confirmMake : BIMCO - Bombay InstrumentCertificate : We will provide Test & Guarantee Certificate andOur own calibration report with copy of master/reference flowmeter Calibration certificateTraceable to NABL Accredited Lab OR International USA Factory.