Target offers three Brita Advanced Replacement Water Filters for $9.29 with free shipping, via the directions below. That's the lowest total price we could find by $5. It can filter up to 40 gallons of water before it needs to be replaced. To get this deal:

1. View the Brita Advanced Replacement Water Filter for $5.99 each
2. add three to your cart as a subscription for $13.29
3. redeem coupon code "FILTER4" for a final price of $9.29