Model XQ120-5.5. Designed for standard temperature and 1 psig. Sales order number 15382. Stainless steel construction. Dirty air inlet is 4". Clean air outlet is 4". Material outlet at bottom of hopper is 4". Cyclone has a rotatable head section, two vibrator mounting plates, one manual butter fly on discharge. Shipping info: One skid, 75x45x25. Weight = 288 lbs.