| Comparison : |
Item # FML250-P, FML250 Series Union Flow Monitor with Factored Pulse Output Item # FML250-P-SM, FML250 Series Swivel Flow Monitor with Factored Pulse Output Item # FML250-P-W, FML250 Series Wall Flow Monitor with Factored Pulse Output Item # FML250-P4, FML250 Series Union Flow Monitor with Factored Pulse and 4 to 20 Milliampere (mA) Current Loop Output Item # FML250-P4-SM, FML250 Series Swivel Flow Monitor with Factored Pulse and 4 to 20 Milliampere (mA) Current Loop Output
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