New Dual Blower Kit which is simpler and faster

which is simpler and faster than the traditional multi-stage fixing hole adjustment

you can also watch laser engraving

Solid and easy-to-install structural design: The box is constructed of all-metal frame

100% pre-assembled

New Dual Blower Kit which is simpler and fasterThis 3D Printer blower is perfectly fit for LONGER LK4 LK4 PRO LK1 LK5 PRO and is compatible with U20 U30 U30 PRO 3D Printer; The new dual blower kit improves the quality of printing, have strong power on the cooling nozzle to get a better and smooth surface of the model; The kit is included the following spare parts: 4010 Fan x 1PCTurbo Blower x 2PCSPulley Wheel x 3PCSSleeves of Wheel x 3PCSCase x 1SetYou can download the stl file of the nozzle of