For customers desiring optimal water quality, DEL's high-output 'SO' is reliable is backed with a long lifespan of 3-5 years.  The SO is an affordable and eco-friendly product for hot tub owners everywhere wanting an organic spa experience.

Normally $400 installed on a new spa, our Overstock price is only $89!  You'll save that in chemicals in less than a year (more like 6 months).  We rate this product Two Thumbs Up!