For Male 1/2" Npt Straight Fitting Female-female Coupler Npt

1/2" NPT - 1/2" NPT Female to Female Coupler. 1 X Female-Female NPT Coupler. Any Male 1/2" NPT Threaded Fitting. Hex Plug to Seal off One End when Not in Use. 1 X Threaded Plug. We'd love to hear from you!