AO Smith 938433 Whole House Water Filter Clean Water From Every Faucet. The item “AO Smith 938433 Whole House Water Filter Clean Water From Every Faucet” is in sale since Monday, June 22, 2020. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Pumps & Water Filtration Systems\Water Filters & Filtration Parts”. The seller is “lplightningpawn” and is located in Hampton, Florida. This item can be shipped to United States.