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NPT & OXYGEN “B” FITTING - $5.00 EACH
1/4" NPT (National Pipe Thread)* x RH Oxygen "B" Fitting** used to connect a manifold or hard pipe to a base with Right Hand thread, oxygen type "B" fittings.
*NPT (National Pipe Thread) requires sealant - either Teflon tape or liquid thread sealant
**B fittings do not require sealant
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