Aquasana Filter Faucet Parts and OptimH2O Filters
Aquasana dedicated filter faucet (sold separately, $50--$80 in Chrome, Brushed Nickel, Oil-Rubbed Bronze, or Matte Black): at aquasana.com. OptimH2O filter set (6-month pre/post filters, $40--$65; 12-month RO membrane, $50--$80): at aquasana.com and Amazon. Aquasana faucet ceramic disc replacement: contact Aquasana customer service (1-866-662-6885) -- Aquasana replaces the faucet under the Aquasana system warranty if the faucet fails within the warranty period. Outside warranty, the complete faucet replacement at $50--$80 is more practical than sourcing internal parts separately.