Kohler 30646-CP Aquifer Shower Water Filtration System
- 4.0 gpm (15.1 lpm) max flow at 20 psi (1.3 bar)
- Reduces chlorine and odor, controls scale
- Threaded connection to exposed valves, hoses, wall elbows
- Filter replacement included
- 2.32 x 2.31 x 6.88 inches, 1.1 pounds
- 5-year warranty
Updated 24 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
An inline Kohler filter that adds chlorine and odor reduction to a hand shower setup without changing the showerhead. Cartridge life is not stated, so replacement timing is guesswork.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B079QHRTKJModel: Aquifer 30646Category: Showerhead Filters
Overview
Not a showerhead itself, the Kohler Aquifer is an inline filter that threads onto an exposed shower valve, hand shower hose, wall elbow or shower arm with diverter. Water passes through it to reduce chlorine and odor before reaching the hand shower.
Adding filtration to an existing hand shower without replacing the fixture is the reason to look at it, and the polished chrome body matches common trim. Filter lifespan and the cartridge part number are not listed, which makes ongoing upkeep harder to plan.
Who it's for
Made for a bathroom with an exposed valve or hose where a filter can thread in, especially for people bothered by chlorine smell or dry skin. Showers with a concealed connection or no hand shower are a poor match.
Pros and cons
- Threads onto common exposed shower outlets
- Spare filter included
- Metal and acrylic body
- Polished chrome finish
- Filter life not listed
- Needs an exposed threaded connection
- Only chlorine and odor reduction claimed
Performance notes
Filtration happens as water passes through the cartridge, so contact time and flow rate shape how much chlorine is removed. Water pressure at the valve sets the flow, and a spent cartridge loses effect gradually rather than with a clear signal.
Specifications
| Brand | Kohler |
|---|---|
| Model | Aquifer 30646 |
| Dimensions & fit | |
| Item weight | 1.1 pounds |
| Product dimensions | 2.32 x 2.31 x 6.88 inches |
| Capacity & performance | |
| Maximum flow rate | 4.0 gpm (15.1 lpm) at 20 psi (1.3 bar) |
| Construction & materials | |
| Material | Metal and acrylic |
| Finish | Polished chrome |
| Compatibility & installation | |
| Installation Method | Threaded connection to exposed shower valves, hand shower hoses, wall elbows or shower arm with diverter |
| Included components | |
| Included Components | Aquifer shower filtration system, filter replacement |
| Warranty & support | |
| Warranty description | 5-year warranty |
| Other details | |
| Purification method | Reduces chlorine and odor, controls scale, inhibits bacteria and algae |
Frequently asked questions
Does the Kohler Aquifer replace my showerhead?
No. It is an inline filter designed to work with a hand shower, attaching to an exposed shower valve, hand shower hose, wall elbow or shower arm with diverter.
What does the Kohler Aquifer shower filter remove?
It reduces chlorine and odor, controls scale, and inhibits the growth of bacteria and algae.
Will the Kohler Aquifer cut my water flow?
Maximum flow is rated at 4.0 gpm (15.1 lpm) at 20 psi (1.3 bar).