Sight Glass Flanged End Flow Indicator is available in three piece design, full bore and Teflon seated in nature. The Flow Indicator is made of polypropylene and high density polypropylene which ensures optimum durability along with long lasting trouble free service. The Flow Indicator is available in a size range of 15mm to 150mm. Sight Glass Flanged End Flow Indicator is strong and rigid in construction and requires minimal maintenance.