Male to Male Fitting - NPT to B Size - Oxygen Thread (0) No Reviews yet Pinit SKU: EQ111 $2.25 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details Male to Male Fitting (Pipe on one end a B Size Threads for Oxygen on the other) for use with Hex Manifold - Part number EQ110. DetailsApplyDetailsMale to Male Fitting (Pipe on one end a B Size Threads for Oxygen on the other) for use with Hex Manifold - Part number EQ110.See MoreSee Less Reviews 0 ApplyRatings & ReviewsNo reviews availableBe the first to Write a Review