When used with the DEL Ozone or AOP lineup, the MDV prevents ozone bubbles from returning to the pool. It prevents bubbles from gathering under the cover or inside plumbing. In each MDV, a GAC carbon destruct cartridge destroys excess ozone as it is removed.


  • AOP S
  • OZONE 25
  • OZONE 50
  • OZONE 100


When should I use an MDV?

  • To protect a pool cover from possible damage
  • To protect pool components, fttings and surfaces
  • With indoor or enclosed pools
  • When an “oversized” ozone unit is installed
  • Any time all ozone bubbles must be removed from the water