Save Money - Lifetime Warranty. Autoship saves you money, makes sure your filters are changed every 6 months and entitles you to a Life Time Warranty. The regular price for the 4025 replacement filter set is $47.99 plus shipping and handling. The autoship price is $47.99 but you get free shipping! Also, membership in our Autoship Replacement Filters program entitles you to a Life Time Warranty for the complete filter system.

How it works:

* Add the AQ4025C4 to your shopping cart.
* Your line item cost will show as $0.00.
* Check out as you normally would.
* In 6 months, we`ll charge your credit card $47.99 and ship the 4025 filters.
* Every 6 months after that, well send you another set, automatically.
* You may cancel your membership at any time.

Filter cartridges last for 500-1,000 gallons and should be replaced about every 6 months for optimum performance. This cartridge set fits our Aquasana ® 4000 Countertop system and the Aquasana 4000 Undercounter system. Retail price: $59.99, Bestfilters.com price $47.99 .