iSpring F2WGB21B 4.5" x 10" Whole House Sediment & CTO Carbon Filter

The iSpring F2WGB21B is a replacement water filtration cartridge designed for the iSpring WGB21B Whole House Water Filtration System. This cartridge combines sediment filtration with CTO carbon filtration to help provide cleaner, better-quality water throughout the home.

Its 4.5" x 10" filter design is made with polypropylene and coconut shell carbon, providing a practical replacement option for the compatible iSpring filtration system. The filter is listed with ANSI and NSF external testing certification and is designed specifically for the WGB21B model.

Compatible Systems

• iSpring WGB21B Whole House Water Filtration System

Key Features

• Sediment & CTO carbon filtration
• Polypropylene & coconut shell carbon
• 4.5" x 10" filter size
• ANSI & NSF certified

Specifications

Recommended Replacement

Replace when the filter reaches the end of its service life or filtration performance decreases.

Compatible With

• iSpring WGB21B