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Teflon Gauge Glass Washers 12 Pack | Temperatures up to 450℉ | Used for Boiler Liquid Level Sight Glass Applications (5/8" x 7/8" x 5/16")

Teflon Gauge Glass Washers 12 Pack | Temperatures up to 450℉ | Used for Boiler Liquid Level Sight Glass Applications (5/8" x 7/8" x 5/16")

Grafoil Graphite Gauge Glass Washers 12 Pack | Large Temperature Range 650 PSI at 975℉ | Used for Boiler Liquid Level Gauge Glass Applications (5/8" x 7/8" x 5/16")

Grafoil Graphite Gauge Glass Washers 12 Pack | Large Temperature Range 650 PSI at 975℉ | Used for Boiler Liquid Level Gauge Glass Applications (5/8" x 7/8" x 5/16")