I.M.O.... these are the best swivels out there...
there like $30 bucks at windtrax and the rebuild kits are some where around $10 bucks...
3000 psi....300 degrees...Viton o-rings...
just reduce it down...and hook it up.....ran them on my
Vortex and now my thermalwave....never had to rebuild one yet....
run them on both solution lines and fresh hose....