
Watts-FMSHWR-KDF55 Flowmax Shower Head Filter With KDF 55
Flowmax Shower Head Filter With KDF 55
Single-Stage KDF Filtration
Catalytic Reduction
High-purity copper-zinc alloy removes free chlorine, hydrogen sulfide, and water-soluble heavy metals through reversible electrochemical reactions that convert contaminants into harmless compounds
15,000 gallons at 2.5 GPMTechnical Details
| Model Number | FMSHWR-KDF55 |
| Media Type | KDF-55 Granular |
| Capacity | 15,000 gallons |
| Flow Rate | 2.5 GPM tested |
| Connections | 1/2 inch NPT threaded |
| Temperature | 100°F max (38°C) |
| Pressure | 60 psi max (4 bar) |
| Housing Material | High-grade polypropylene |
Installation Requirements
The Watts FMSHWR-KDF55 mounts inline between any standard 1/2 inch NPT shower arm and shower head. Compatible with municipal chlorinated water supplies at pressures up to 60 psi and temperatures up to 100°F. Not suitable for well water with iron bacteria or water temperatures exceeding 100°F, which can degrade KDF media performance. Replacement recommended every 12-18 months for average household use or when chlorine odor returns.
Flowmax Shower Head Filter With KDF 55
Single-Stage KDF Filtration
Catalytic Reduction
High-purity copper-zinc alloy removes free chlorine, hydrogen sulfide, and water-soluble heavy metals through reversible electrochemical reactions that convert contaminants into harmless compounds
15,000 gallons at 2.5 GPMTechnical Details
| Model Number | FMSHWR-KDF55 |
| Media Type | KDF-55 Granular |
| Capacity | 15,000 gallons |
| Flow Rate | 2.5 GPM tested |
| Connections | 1/2 inch NPT threaded |
| Temperature | 100°F max (38°C) |
| Pressure | 60 psi max (4 bar) |
| Housing Material | High-grade polypropylene |
Installation Requirements
The Watts FMSHWR-KDF55 mounts inline between any standard 1/2 inch NPT shower arm and shower head. Compatible with municipal chlorinated water supplies at pressures up to 60 psi and temperatures up to 100°F. Not suitable for well water with iron bacteria or water temperatures exceeding 100°F, which can degrade KDF media performance. Replacement recommended every 12-18 months for average household use or when chlorine odor returns.
Original: $75.02
-65%$75.02
$26.26Description
Flowmax Shower Head Filter With KDF 55
Single-Stage KDF Filtration
Catalytic Reduction
High-purity copper-zinc alloy removes free chlorine, hydrogen sulfide, and water-soluble heavy metals through reversible electrochemical reactions that convert contaminants into harmless compounds
15,000 gallons at 2.5 GPMTechnical Details
| Model Number | FMSHWR-KDF55 |
| Media Type | KDF-55 Granular |
| Capacity | 15,000 gallons |
| Flow Rate | 2.5 GPM tested |
| Connections | 1/2 inch NPT threaded |
| Temperature | 100°F max (38°C) |
| Pressure | 60 psi max (4 bar) |
| Housing Material | High-grade polypropylene |
Installation Requirements
The Watts FMSHWR-KDF55 mounts inline between any standard 1/2 inch NPT shower arm and shower head. Compatible with municipal chlorinated water supplies at pressures up to 60 psi and temperatures up to 100°F. Not suitable for well water with iron bacteria or water temperatures exceeding 100°F, which can degrade KDF media performance. Replacement recommended every 12-18 months for average household use or when chlorine odor returns.


