Aquasana Promo Codes, Coupon Codes Aquasana believe clean water and a healthy environment are the most important components to healthy living and overall well-being. Our sole focus is providing best-in-class water filtration products so every home can enjoy great-tasting, healthy water. Aquasana is a retail business that supplies water filtration products. Major product lines include filters for drinking water and shower stalls, replacement cartridges, and reusable water bottles and totes. Customers have reviewed Aquasana positively for offering excellent customer services and timely deliveries.