I applied this exact vacuum chamber daily for 3 decades in an exceptionally hectic restaurant. It worked flawlessly anytime, and was in no way from commission. I moved on to a new cafe, but I am aware for any proven fact that the same equipment remains to be in use, https://best-commerical-vacuum-se54197.canariblogs.com/5-essential-elements-for-commercial-vacuum-sealer-34931160