Purge rotameter, “Telelin” Air Purge Rotameters Consisting of : • Tee Shape drop pipe, Material 304 S.S • 3 LPM, Air Plastic Body Rotameter with Flow Control Valve for purging • Single limb well type manometer, Wall mounting type generally as per our model No. SW-312 Hg. With 304 S.S Material wetted parts. • Connection Hose pipes to complete connection of all 3 above.