Bullfrog Spas Clear ComfortPremium AOP SystemBy Clear Comfort Automatic operation and crystal-clear resultsRecommended for those who prefer a simple, low-touch approach to water care. Bullfrog Spas Premium AOP System by Clear Comfort operates automatically while your spa filters to deliver crystal clear, healthy, and enjoyable spa water with the lowest possible chlorine levels. Premium AOP is simply the easiest way to care for your Bullfrog Spas hot tub or swim spa so it’s always ready when you are.Standard on Swim Series and optional upgrade on M Series and A SeriesProven benefitsAutomatic operation for a hands-off approach to crystal clear waterAllows you to maintain drinking water chlorine levels of 0.5 ppm or lessEliminates red eye, skin irritation, odor & more that can occur with high combined chlorine99.99% (4-log) reduction of Cryptosporidium parvum (Crypto) Browse Bullfrog SpasLow-touch design, low chemical approach to water careWith this low-touch water treatment, you’ll free yourself from the hassles of daily water care and enjoy system maintenance that takes just a few minutes. Simply change a cartridge every 1-3 years, depending on use. You’ll also extend the life of your spa with non-corrosive, safe spa water that’s healthier for you and your spa. Browse Bullfrog SpasHow it works The system pulls O2 from ambient air Converts O2 to O1 (atomic oxygen) Charged O1 is injected into plumbing Hydroxyl radicals destroy contaminants through oxidationEasy maintenance for healthier waterExperience fresh, healthy, and soft-feeling water with drinking water chlorine levels and minimal toxic chemicals.Specs:7” x 11” x 5” total size30 GPM max flow rateDesigned specifically for Bullfrog Spas Swim Series and portable spasVenturi injection methodOperating voltage: 110V to 230V (self-adjusting)Power consumption: 10 WattsCartridge life: ~1-3 Years (depending on use)Warranty: 3 Years on Control unit & 1 Year on Cartridges*