Key Features

• PROTECT YOUR FAMILY AND APPLIANCES - The 2nd-stage FG25B-KS 20” x 4.5” compound filter removes chlorine, lead, mercury, hydrogen sulfide, heavy metals, pesticides, herbicides, odors, and other harmful chemicals. A whole house water filter system that protects your family and appliances.
• DIY INSTALLATION AND MAINTENANCE - This whole house water filtration system comes with easy-to-follow manual and YouTube videos for hassle-free DIY installation. 1” NPT inlet/outlet, 20” x 4.5” filter cartridges, and a water flow rate of up to 15 GPM.
• BUILT TO LAST - The first-stage polypropylene sediment filter captures particles as small as 5 microns. The third-stage CTO carbon block filter is made from high-quality coconut shell carbon. Both water filters meet NSF/ANSI standards and provide 100,000 gallons of clean water—enough for a family of four for a full year.
• PEACE-OF-MIND CUSTOMER SERVICE - Backed by expert technical assistance and customer support from our Atlanta, GA headquarters. Our team is dedicated to helping you find the best filtration solution and providing after-sale support.
• PLEASE NOTE - This whole home water filter system does NOT reduce Total Dissolved Solids (TDS). Instead, it retains healthy minerals while removing harmful chemicals. For TDS reduction, consider our iSpring Reverse Osmosis (RO) systems. Each cartridge is individually wrapped for freshness—please unwrap before installation.

Specifications