1/8" NPT Vent Limiting Device

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NOTE: this product is already included with the Maxitrol new 325-3V & 325-3LV series (replaces old 325-3 & 325-3L series) regulators we sell and should not be purchased unless a replacement/spare is needed.
Size: 1/8" NPT. For use with: 325-3, 325-3L, 325-3V, 325-3LV series.
Vent limiter (vent limiting device) prevents excessive gas venting when regulator is installed indoors.