For closed systems, use Reusable Poly Valve (RPV) or Reusable Stainless Valve (RSV) systems accessories. RSV and RPV components are interchangeable.
DEF Packages do not include coupler systems.
You must choose a coupler kit to create a complete system for your fluid distribution needs, choose from Reusable Stainless Valve (RSV) or Reusable Poly Valve (RPV)