Appears to be the same unit (or very similar to the AXIS BRAND AX-VB4). Charging space without octangular grease pan (W x D) – 20.07 inches x 23.23 inches. Charging space with octangular grease pan – (W x D) 21.65 inches x 29.1 inches. Device height w/ motor – 44.05 inches. Burner surface area (H…