Filtrete Advanced Under Sink Quick Change Water Filtration Filter 3US-PF01, for use with 3US-PS01 Sy Price: £27.33 (as of 23/01/2021 09:45 PST- Details) & FREE Shipping.

Make sure this fits by entering your model number.
Filtrete Drinking Water System Refill.
Now you can have cleaner, great tasting water at your convenience, fresh from your tap.