Reduced Refill Hassle Feature: With its 350ml sustained release build, this tool optimizes gnat control efforts, reduces refill frequency, and aligns perfectly with livestock-farm requirements Airflow Path Engineering ensures efficient diatomaceous earth powder distribution through carefully calibrated nozzle apertures, which eliminate gaps in coverage on uneven or intricate surfaces Activity Retention Technology: Maximizes the effectiveness of diatomaceous earth powder by preventing degradation and maintaining consistent activity levels, supported by an anti-condensation channel Double-Mode Application Technology: Equipped with double-mode application technology, this duster provides stable hygiene protection and livestock-gnat removal alongside crop precision features Effortless Maintenance: Featuring a detachable nozzle design and screw-lid cleaning system for water-rinseable removal, ensuring wear-resistant construction supports long-term use with minimal upkeep