It is really working! Cold air is generated by vortex tube and delivered by flexible hose (inside blue parts of the vest) and some holes in hose. I would like XL or XXL vest available (no sizes options to choose from). Anyway, the important thing is that cooling . I will try to adapt to another DIY vest. Here, some thermo-pictures made with CAT S60 phone. Can see the hot air generated at free end of vortex tube, and cold air in the flexible hose.

It is really working! Cold air is generated by vortex tube and delivered by flexible hose (inside blue parts of the vest) and some holes in hose. I would like XL or XXL vest available (no sizes options to choose from). Anyway, the important thing is that cooling . I will try to adapt to another DIY vest. Here, some thermo-pictures made with CAT S60 phone. Can see the hot air generated at free end of vortex tube, and cold air in the flexible hose.

It is really working! Cold air is generated by vortex tube and delivered by flexible hose (inside blue parts of the vest) and some holes in hose. I would like XL or XXL vest available (no sizes options to choose from). Anyway, the important thing is that cooling . I will try to adapt to another DIY vest. Here, some thermo-pictures made with CAT S60 phone. Can see the hot air generated at free end of vortex tube, and cold air in the flexible hose.

商品画像とは冷却装置が違うけどとても良く冷えるので快適に作業出来ます。

商品画像とは冷却装置が違うけどとても良く冷えるので快適に作業出来ます。

商品画像とは冷却装置が違うけどとても良く冷えるので快適に作業出来ます。