I have made a new and better portable spray booth for finishing guitars. I hope it gives you some ideas. Show your support! Visit http://www.eguitarplans.com/ and buy a plan. Or visit https://highline-custom-guitars-2.creator-spring.com/ and buy a shirt!
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My blower: https://amzn.to/3Fy2QVU
Explosion-proof blower: https://amzn.to/3oWNbJN