PREMIUM QUALITY: Waterdrop filters are of premium quality, dedicated to improving water quality.
HASSLE FREE INSTALLATION: It is easy to install requiring no tools.
FILTER LIFE: Enjoy fresh water by replacing your water filter every 6 months or 450 gallons, whichever comes first will vary based on water condition.
REPLACEMENT MODEL: AQ-4035 and AQ-4025. Will fit the following systems: AQ 4500, AQ 4501, AQ 4000, AQ 4050, AQ 4055, AQ 4601, AQ 4600, AQ 4000W, AQ 4000P, AQ 4000B, AQ 4601.55, AQ 4601.62, and AQ 4601.56. Waterdrop is an independent brand. It is not affiliated with or sponsored by Aquasana. This filter is not an original product.
100% SATISFACTION GUARANTEED: We care about our customers and want you to drink only the clean water. If you have any issue about the product, please let us know. We have a professional customer service team and we will take care of it right now.