... Level Gauge GlassIt is also named Reflex Gauge Glass,Sight Glass,Reflex Glasses,Reflex Sight Glass,Spares for level gauge,Boiled Gauge Glass, ... in lever gauge in boiler for water position. Style:1)Reflex glass 2)Transparent glass 3)Round sight glass 4)Gsket for glass Dimensions1) Reflex glass ... 34(30) x 17mm The other size is optional or according to the requirements of customers. Working temperature: ...