At Amazon, get this iSpring WHO32B Whole House Water Filter System for $475. It’s the best price we could find by $147. It uses industry-standard 20″ x 4.5″ filter cartridges instead of proprietary ones, and is rated to filter up to 100,000 gallons or 12 months before needing replacement. Buy Now at Amazon
Features
3-stage commercial-grade filtration system Uses industry-standard 20″ x 4.5″ filter cartridges Filters up to 100,000 gallons or 12 months before replacement Delivers water flow up to 15 gallons per minute Horizontal housing design for sliding filters in & out Freestanding all-metal frame with 1″ inlet/outlet connections
