The Milton 1808 3/8" FNPT P style plug secures to a coupler via the rounded head. 1808 P-style plus are made of case hardened steel and are plated to resist rust. This offers air flow of 68 SCFM. This fits the automotive style 3/8" P-style body.
Please note that 1808 uses a 3/8" style body size which is larger than the standard 1/4" couplers
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