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Gerand Engineering Model-G venturi-style fire pump flow meter. Pipe size 2.5", meter range 50-200 GPM, FM approved. Made in USA.
Gerand Engineering Model-G venturi-style fire pump flow meter. Pipe size 3", meter range 75-400 GPM, FM approved. Made in USA.
Gerand Engineering Model-G venturi-style fire pump flow meter. Pipe size 4", meter range 100-900 GPM, FM approved. Made in USA.
Gerand Engineering Model-G venturi-style fire pump flow meter. Pipe size 6", meter range 250-2500 GPM, FM approved. Made in USA.