# iSpring FG15B-KS 10 x 4.5 in. GAC and KDF Composite Replacement Water Filter for US21B Undersink Systems

- Brand: ISPRING
- Category: Replacement Water Filters
- Model: FG15B-KS
- Price: $48.49
- URL: https://zecdepot.com/products/ispring-fg15bks-10-x-45-in-gac-and-kdf-composite-replacement-water-filter-for-us21b-undersink-systems

## Summary

Protect your family with this premium GAC and KDF composite filter designed to effectively remove chlorine, lead, mercury, and unpleasant odors. This 10 in. x 4.5 in. cartridge serves as the official 1st stage replacement for iSpring US21B systems and is compatible with standard 10 in. Big Blue filtration setups.

## Description

Protect your family with this premium GAC and KDF composite filter designed to effectively remove chlorine, lead, mercury, and unpleasant odors. This 10 in. x 4.5 in. cartridge serves as the official 1st stage replacement for iSpring US21B systems and is compatible with standard 10 in. Big Blue filtration setups.
- Advanced Multi-Stage Filtration: High-performance GAC and KDF composite media effectively removes chlorine, lead, mercury, hydrogen sulfide, THMs, chloramines, and herbicides.
- Improved Water Quality: Eliminates unpleasant tastes, odors (including rotten egg smells), turbidity, and cloudiness while maintaining essential minerals.
- Wide Compatibility: Designed as the official 1st stage replacement for iSpring US21B undersink systems; also fits standard 10 in. Big Blue undercounter or whole house systems.
- Long-Lasting Performance: Provides exceptional filter life; for optimal results, it is recommended to replace the cartridge every 8-12 months depending on water usage.
- Hassle-Free Installation: Individually sealed for freshness and designed for easy, quick replacement in your existing filtration setup.

## Specifications

- Water Filtration System Type: Under Sink
- Replacement Filter Type: Under Sink Replacement Filters
- Brand / Model Compatibility: US21B
- Number of Filters Included: 1
- Pack Size: 1
- Filtration Method: Coconut Shell Carbon, GAC, KDF
- Weight: 4 lbs
- Length: 6 in
- Width: 12 in
- Height: 4 in