PRODUCT FEATURES Used in fluid application to connect two FPT fittings. Reviews Featured Products Polypropylene Nipple 1/2" Thread $1.35 Add to Cart Brass Hex Nipple Starting at $2.00 Choose Options Polypropylene Bulkheads Starting at $9.89 Choose Options K7 BYPASS NIPPLE ORIFICE #1 $22.44 Add to Cart