Silent Inline Acoustic Box Fan 10" 12" – 1500–4250 m³/h Duct Grow Ventilation

✅ Prevents Heat Buildup – Reduces hotspots and improves plant transpiration. Silent Acoustic Box Fan – High Airflow, Low Noise Ventilation | 10" & 12" Duct Sizes. ✅ Ultra Quiet Operation – Acoustic foam panels absorb sound for whisper-quiet use.

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