Amrxuts 6mm 1/4" Fuel Non Return One Way Check Valve Petrol Diesel Fuel Oil Water Aluminium Alloy
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As I took one apart, I found the following The inside of the bottles is metal
NO, don't apply to alcohol, since electricity will produce methanol and formic acid, corrosive effects on the inside of the product that will cause the product to fail)
IVE NEVER BEEN ABLE TO GET ANY FUEL BACK FROM IT. IT IS DEFECTIVE, TIME TO DUMP IT.