Poly-Tube Female Connector, 1/4″ Tube O.D., 1/4″ Female NPT $6.41 Add to cart Poly-Tube Female Connector, 1/4″ Tube O.D., 1/8″ Female NPT $5.72 Add to cart Poly-Tube Female Connector, 3/8″ Tube O.D., 1/4″ Female NPT $6.52 Add to cart Poly-Tube Ferrule, 1/2″ $0.57 Add to cart Poly-Tube Ferrule, 1/4″ $0.33 Add to cart Poly-Tube Ferrule, 3/8″ $0.40 Add to cart Poly-Tube Male Branch Tee, 1/4″ Tube O.D., 1/4″ Male NPT $12.07 Add to cart Poly-Tube Male Branch Tee, 1/4″ Tube O.D., 1/8″ Male NPT $12.07 Add to cart Poly-Tube Male Branch Tee, 3/8″ Tube O.D., 1/4″ Male NPT $999,999.00 Add to cart Poly-Tube Male Connector, 1/2″ Tube O.D., 3/8″ Male NPT $9.65 Add to cart Poly-Tube Male Connector, 1/4″ Tube O.D., 1/4″ Male NPT $3.43 Add to cart Poly-Tube Male Connector, 1/4″ Tube O.D., 1/8″ Male NPT $2.96 Add to cart