5 elementos essenciais para harvest right home 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 O ring and you're back in business.4) I made a plastic shield to protect the main circuit board of the FDer.