Aquasana AQ-4000W-DVPI filters water directly from the faucet. It is a water purifier that sits next to the sink. It gives clean, great-tasting water as it is certified to reduce or eliminate up to 99% of 77 water contaminants such as lead, PFOA/PFOS, chlorine, chloramines, mercury, herbicides, pesticides and VOCs.






Why Choose Our Product


  • Easy installation

    This filtration is designed to make self-installation. You only need to screw on the faucet attachment to your existing faucet – no plumber required.

  • Four method filtrations

    To provide an under-the-sink filtration system with the convenience of a no-install faucet water filter, it combines activated and catalytic carbon with ion-exchange and sub-micron filtration.

  • Easy Filter Replacement

    There’s no need to disconnect hoses or water lines. The filter can be replaced by simply twisting off the filter and replace.


MODEL Aquasana AQ-4000W-DVPI Countertop Filter
Operating Pressure: 482mm x 369mm x 326mm
Operating Temperature: 40-90°F
Rated Service Flow: 0.5 gpm
Maximum Capacity:  450 gallons
System Dimensions:  9" x 4" x 9.5" (L x W x H)


User Manual and Certificates
Attachment Size
AQ-4000_Install.pdf654.28 KB 654.28 KB