Nylon Fitting, 1/2″ Ferrule $1.64 Add to cart Nylon Fitting, 1/2″ Nut $3.01 Add to cart Nylon Fitting, 1/2″ Spring Guard $1.60 Add to cart Nylon Fitting, 1/2″ Tube Insert $1.67 Add to cart Nylon Fitting, 1/4″ Ferrule $0.35 Add to cart Nylon Fitting, 1/4″ Nut $0.90 Add to cart Nylon Fitting, 1/4″ Spring Guard $0.75 Add to cart Nylon Fitting, 1/4″ Stowaway Tube Insert $0.42 Add to cart Nylon Fitting, 1/4″ Tube Insert $0.39 Add to cart Nylon Fitting, 1/8″ Ferrule $0.39 Add to cart Nylon Fitting, 1/8″ Nut $0.88 Add to cart Nylon Fitting, 1/8″ Spring Guard $0.77 Add to cart