1PCS Propane Tank Refill Adapter Converts POL LP Tank Service Valve to QCC1 / Type1 Brass Solid Universal Fit(POL to QCC1). This propane adapter have POL threads, it can use on most LP tank. (universal for old style and new style propane tank) The other end have left hand thread on the inside and right hand thread on the outside, fits for Type1 and POL hose and regulator.
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