OS PRINCíPIOS BáSICOS DE BUY FREEZE DRYER

I would prefer those fittings to have internal Este rings and knurled thread on ports (similar to R134a vacuum gauge sets) that do not require high torque compression fittings. Finger tight and you are good to go. You spot a leak, change the Este ring and you're back in business.The characteristic timeless design is as popular today as in the 50's.