US Divers 1/2 inch tapered thread dual tank manifolds with or w/out J valve

[robohips77]

I am looking for US Divers 1/2 inch tapered dual tank manifolds with or without the J valve. If you have some for sale please contact me via PM or the forum. Thanks for your help. I am in need of at least three of these. thanks for your time.
Roger

 

[JEC11718]

find a set of 3/4" manifolds and have the threads machined to 1/2 taper.