... quality plates, one formed by molding process, no weld, solder joints, eliminate water leakage risks; 6. body structure symmetry, bright line ... push-button switches or external devices easy to operate with variable speed temperature control, interior air volume can be adjusted and ... special anti-rust treatment, durable, low maintenance costs 9. Static variable: FP-(34-102) Static 12/30Pa, FP-(136-238) ...