Condar FlueGard™ Thermometer (3-39). Most Precise Readings for Double Wall Pipe. Durable Genuine Porcelain Enamel with Yellow, Orange and red Zones Clearly indicated on Black case

Condar FlueGard™ Thermometer (3-39). Most Precise Readings for Double Wall Pipe. Durable Genuine Porcelain Enamel with Yellow, Orange and red Zones Clearly indicated on Black case