As the pressure gauge meter for Argon at low pressure from the tank into the argon and adjust the quantity to pay at meter folder.Flo tubes made from polycarbonate meter, strength. Easy and unable to help, read the details easier.With diaphragms. excess pressure protection tube Kaew is damaged.Dial size 2 inch easy-to-read numbers clearly.Reed valve and rubber mats, good quality Sealed pressure resistance good satire, making it difficult for leakage.
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