e-start,china-lightest,only 2.3kg patented new dust-free air intake safety,qutomatic chain brake equipped ModelZL2000Max ... Separate out dust by centrifuge method and intake only clean air.2. Safety, automatic chain brake equipped ZL2000A Gasoline Chain saw Verified ... --- 2049/12/31 CE ENTE CERTIFICAZIONE MACCHINE 110418/ZZT245 Chain Saw & ZL2000, ZL3300, ZL4000, ZL5200, ZL5800,ZL6200, ZL6600 2011/04/ ...