1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ALTHY Vitamin C Revitalizing Shower Head Water Filter, Model SF100. This filter is designed to enhance your showering experience by reducing harmful substances and improving water quality for healthier skin and hair.
2. What's Included
The ALTHY SF100 package includes the following components:
- 1 x Filter Housing
- 4 x Filter Cartridges (one pre-installed, three replacements)
- 1 x User Guide
Video: Unboxing the ALTHY SF100 Shower Filter, showing the filter housing and included cartridges.
3. Features and Benefits
- Comprehensive Filtration: Reduces chlorine, heavy metals, pesticides, pharmaceuticals, dirt, and odors.
- Hard Water Softening: Helps to soften hard water, reducing scale buildup.
- Skin and Hair Rejuvenation: Infuses beneficial Vitamin C and balances pH levels, which can help prevent dry, itchy skin, hair loss, dry scalp, and dandruff.
- Long-Lasting Filters: Each filter cartridge lasts approximately 4 months or 8000 gallons, providing extended water purification.
- Easy Installation: Features a G1/2" universal connector for tool-free installation.
- Universal Compatibility: Works with all standard shower types, including fixed, rain, and handheld shower heads.

Image: Diagram detailing the multi-stage filtration process of the ALTHY SF100 filter.

Image: Visual representation of skin and hair issues caused by unfiltered water.

Image: Benefits of Vitamin C and filtered water for skin and hair.
4. Specifications
| Model Number | SF100 |
| Material | Carbon, Resin |
| Product Dimensions (D x W x H) | 2.56" x 2.56" x 6.3" |
| Item Weight | 1.89 Pounds |
| Filter Life (per cartridge) | 8000 Gallons / 4 Months |
| Water Pressure Range | 0.1 - 0.4 MPa |
| Initial Flow Rate | 8 L/min (at 0.2 MPa) |
| UPC | 739804728499 |
5. Setup and Installation
The ALTHY SF100 shower filter is designed for easy, tool-free installation. Follow these steps to install your filter:
- Prepare the Filter: Unscrew the filter housing body and remove the pre-installed filter cartridge. Ensure to remove the silicone plugs from both ends of the filter cartridge before use.
- Connect to Shower Outlet: Screw the filter housing onto your existing shower arm or faucet connector. Ensure the sealing gasket is properly seated to prevent leaks.
- Attach Shower Hose: Connect your shower hose to the other end of the filter housing. Tighten securely by hand.
- Check for Leaks: Turn on the water and check all connections for any leaks. If leaks occur, tighten the connections further.

Image: The ALTHY SF100 filter is compatible with various shower head types and features a G1/2" universal connector.
Video: Demonstration of installing the ALTHY SF100 shower filter onto a shower outlet.
Video: Comparison of shower flow rate before and after filter installation, demonstrating no significant reduction.
6. Operation
Once installed, the ALTHY SF100 filter operates automatically as water flows through your shower. The multi-stage filtration system works to purify the water, removing impurities and infusing beneficial elements, providing a revitalizing shower experience.
7. Maintenance
Regular filter replacement is crucial for maintaining optimal performance of your ALTHY shower filter.
Filter Cartridge Replacement
Replace the filter cartridge every 4 months or after 8000 gallons of use, whichever comes first. Your package includes three replacement cartridges, providing up to 16 months of filtration.
- Unscrew the filter housing body by turning it counter-clockwise.
- Carefully remove the old filter cartridge by pulling it upwards.
- Insert a new filter cartridge, ensuring the silicone plugs have been removed from both ends.
- Screw the filter housing body back on by turning it clockwise until secure.
- Turn on the water to flush the new filter for a few minutes and check for any leaks.

Image: Step-by-step guide for easy filter cartridge replacement.
Video: Detailed demonstration of how to replace the filter cartridge.
8. Troubleshooting
If you encounter any issues with your ALTHY SF100 shower filter, please refer to the following common solutions:
- Reduced Water Flow: This may indicate a clogged filter cartridge. Replace the cartridge as described in the Maintenance section.
- Leaks at Connections: Ensure all connections are tightened securely by hand. Check that the rubber gaskets are properly seated and not damaged.
- Unusual Odor/Taste: If you notice an unusual odor or taste in the water, it may be time to replace the filter cartridge.
For further assistance, please contact ALTHY customer support.
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your product packaging or visit the official ALTHY website. Keep your purchase receipt for warranty claims.
10. Safety Information
- Do not use the filter with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
- Ensure proper installation to prevent leaks and water damage.
- Keep out of reach of children.
- Do not expose the filter to freezing temperatures.