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Nozzle and heat break - the optimised inner structure of seamless connection between nozzle and heat breakage accelerates the nozzle to dissipate heat, and the heat breakage to insulate, and releases the nozzle blockage.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.