Weddell Duo Shower Head Filter
- Up to 99% chlorine reduction for 8,000 gallons
- NSF certified chlorine reduction
- 2.8 gpm flow rate
- Tool-free screw-in install, fits fixed, rain and handheld
- Clear dual cartridges, twist-to-change
- 34 - 120 F water temperature range
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A tidy shower filter for anyone who wants less chlorine at the shower with a quick, tool-free fit. Cartridge life depends on local water, so replacement timing varies.
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ASIN: B0CGM2S5LXCategory: Showerhead Filters
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Overview
A renter or homeowner bothered by chlorinated shower water gets a filter that screws in between the arm and the head without tools. Twin clear cartridges show their condition, and they twist out when it is time to change them.
Easy install with visible cartridges is the case: you can see when the media is spent. Claims beyond chlorine come from separate lab testing rather than the NSF certification, which buyers should keep in mind.
Who it's for
People with dry skin or hair who want to filter shower water in minutes. Households needing filtered water at every tap should look at a whole home system.
Pros and cons
- Works with most shower heads
- Clear cartridges show wear
- Teflon tape and O-ring included
- Cartridge life varies with water
- Only chlorine reduction is NSF certified
Performance notes
Filtering happens as water passes through two cartridges in series before the shower head, which cuts chlorine while holding flow near the rated rate. Cartridge life shortens with harder or more contaminated water, which the clear housings make visible.
Specifications
| Brand | Weddell |
|---|---|
| Dimensions & fit | |
| Item weight | 1.17 pounds |
| Product dimensions | 8.5 x 2.5 x 3.75 inches |
| Capacity & performance | |
| Maximum flow rate | 2.8 gpm |
| Lowertemperature range | 34 F |
| Upper temperature rating | 120 F |
| Construction & materials | |
| Material | ABS |
| Color | Black |
| Compatibility & installation | |
| Installation Method | Screw-in, tool-free |
| Compatibility | Rain, fixed and handheld shower heads |
| Included components | |
| Included Components | Duo filter case with cartridges, O-ring, Teflon tape |
| Other details | |
| Contaminant reduction | Up to 99% chlorine for 8,000 gallons |
| External testing certification | NSF certified (chlorine reduction) |
Frequently asked questions
How do I install the Weddell Duo shower filter?
It screws in without tools between the shower arm and head. An O-ring and Teflon tape are included.
How long does a Weddell Duo cartridge last?
Up to 99% chlorine reduction for 8,000 gallons, though filter life depends on water conditions.
Will the Weddell Duo fit a handheld shower?
Yes. It is compatible with most standard rain, fixed and handheld shower heads.
Does the Weddell Duo reduce water pressure?
The listed flow rate is 2.8 gpm.