Notable for its flanged shaped appearance and double window based construction. This Sight Glass Indicator is installed in fluid or oil or gas storage tank to observe flow level of stored material. Advanced casting method is used for its fabrication. Developed from finest quality borosilicate glass and 304/316 grade stainless steel, this Sight Glass Indicator uses PPL or PTFE gasket to ensure its leakage free construction. This indicator is offered in different diameter, size, shape and connection type based specifications.