Aquasana OptimH20 Whole House Water Filter System 1,000,000,000 Gal. Includes Lead and De-Scaler Treatment Unit. System is one year old and is fully functional. The item “Aquasana OptimH20 Whole House Water Filter System 1,000,000,000 Gal” is in sale since Friday, January 22, 2021. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Pumps & Water Filtration Systems\Water Filtration Systems”. The seller is “mcle9610″ and is located in Sugar Land, Texas. This item can’t be shipped, the buyer must pick up the item.