Comparison : |
Item # H480OPBR1/2, H400-OP Series, Brass Check Valve, 1/2” Male BSPT Thread x 1/2” Male BSPT Thread Item # H480OPBR1/41/3PSI, H400-OP Series, Brass Check Valve, 1/4” Male BSPT Thread x 1/4” Male BSPT Thread Item # H480OPBN1/21/3PSI, H400-OP Series, Brass Check Valve, 1/2” Male NPT Thread x 1/2” Male NPT Thread Item # H480OPSSN1/41/3PSI, H400-OP Series, SS Check Valve, 1/4” Male NPT Thread x 1/4” Male NPT Thread Item # H480OPSSN1/21/3PSI, H400-OP Series, SS Check Valve, 1/2” Male NPT Thread x 1/2” Male NPT Thread
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