2″ mechanical level gauge cap female threaded hermetic or ventilated
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Mechanical float level gauge FSA - Mechanical gauge with float, Mechanical gauge Suitable for all cylindrical and rectangular tanks...
Morrison Bros. Model 1519 Mechanical Tank Top Gauge w/ Standard Float & Level Alarm Relay Output - Up to 7 m. - Meters & Centimeters - John M. Ellsworth Co. Inc.
Mechanical Gauge with High Level Alarm - China Spiral Content Gauge, Mechanical Gauge | Made-in-China.com
Mechanical Level Gauge For Cummins Generator Diesel Engine Mechanical Gauge Various Sizes Can Customized Mechanical Fuel Gauge - Tool Parts - AliExpress
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Amazon.com: Afriso Mechanical Float Operated Tank Contents Gauge - for 2" NPT tank openings : Tools & Home Improvement
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Mechanical Sight Level Gauge - MG/MGS | KUS Americas, Inc.
Generator Mechanical Fuel Tank Level Gauge - China Fuel Level Sensor, Spiral Content Gauge | Made-in-China.com