... the back. 3.Philip lamps. Spray booth technical configuration table HY-500 type (environmental protection ) Internal Size:6840×3900× ... intake, exhaust from the back, with an environmental protection cabinet.Intake air fan capacity:One PCS blower with ... , stainless steel heat exchanger, with anti-explosion hole for protection , working temperature: 60°C,electric control ventilation or damperFiltration ...