The Schaefer VAF3000A is a 12″ diameter, industrial‑grade ventilator designed for confined‑space applications. Featuring a 1 hp motor and delivering up to 2,796 CFM (≈1,325 L/s) of airflow in free air, it supports both positive and negative airflow (blowing and extraction). The dual‑wall polyethylene housing ensures rugged durability. Lightweight (~32.5 lb / 14.7 kg) and stackable for easy storage, it’s ideal for harsh job‑site conditions.