iSpring Anti-Scale Whole House Water Filter System, Reduces up to 99% Chlorine, Odor, and Sediments, 3-Stage Water Descaler and Water Filter, 1" Inlet/Outlet, Model: WGB31B-DS

The iSpring WGB31B-DS whole house water filter is a compact yet powerful water filtration system for home use. Featuring a 3-stage design, it includes a 10” x 4.5” sediment filter for dirt, sand, and rust removal, a polyphosphate anti-scale filter to protect pipes and appliances from scale and corrosions, and a premium coconut shell carbon block filter to reduce chlorine, odors, and unpleasant tastes—while keeping healthy minerals in your water. With its 10” filter housings and 1” NPT inlet/outlet, the WGB31B-DS maintains strong water flow (up to 15 GPM) for small to medium households. The three durable blue housings feature a twist-off design with built-in pressure release, making filter replacements quick, simple, and mess-free. Ideal for city or well water, this whole house water filter delivers up to 80,000 gallons or 12 months of dependable performance. For complete purification including TDS removal, pair it with an iSpring Reverse Osmosis unit at the point of use.

• ‌Scale & Corrosion Protection: Safeguard your plumbing and appliances with our WGB31B-DS whole house water filter system. The patented inhibitor in this whole house water descaler prevents calcium and magnesium buildup, prevents corrosion, and forms a protective biofilm barrier.
• Powerful 3-Stage Filtration – The iSpring WGB31B-DS whole house water filtration system includes a 10" x 4.5" sediment filter, a CTO carbon block filter and an anti-scale filter— removing up to 99% of chlorine, scale, corrosion, bad odor & tastes, and sediments for clean, odor-free water.
• Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, these 10” x 4.5” whole house water filters fis tight spaces while delivering long-lasting, high-performance filtration.
• Durable & Low Maintenance – Built for long-term performance, these compact filters support flow rates up to 15 GPM and treats up to 80,000 gallons of water. Every cartridge is individually wrapped to ensure freshness and peak performance. Be sure to unwrap before use.
• Easy Filter Changes — Built-in pressure release buttons let you swap filters fast and mess-free.
• Peace of Mind Guaranteed – Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help — before and after your purchase.
• Healthy Minerals Retained – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house.