Anti-scale whole-house filter 10x4.5 inch with inhibitor ✔️ Single unit, 10x4.5 in, 1" NPT inlet/outlet The scale-inhibiting whole-house filter is designed to protect your main water line by sequestering calcium and magnesium, preventing limescale buildup, corrosion, and bio-growth. It treats water at the point of entry, typically installed before appliances, fixtures, and piping to extend their life. The unit handles up to 80,000 gallons (254 mm x 114 mm) and up to 6 months of service depending on water quality, with a 1" NPT inlet/outlet and a 10" x 4.5" cartridge, that keeps flow impacts minimal. It’s NSF 42/60 certified for quality assurance and ships as a single unit with blue housing for quick identification. ✅ Sequesters calcium and magnesium to prevent limescale and protect pipes ✅ Inhibits corrosion on iron, steel, galvanized, copper, and lead piping ✅ Creates a protective coating that reduces bio-growth and bio-film formation ✅ Maintains chlorine stability by limiting reactions with metal pipes ✅ Up to 80,000 gallons or about 6 months between changes (water quality dependent) ✅ 1" NPT inlet/outlet with 10" x 4.5" cartridge for minimal flow impact (up to 15 GPM) ✅ NSF 42/60 certified by independent lab 💡 What is a scale-inhibiting water filter and how can it protect home plumbing? Think of it as a protective layer for your plumbing that tackles scale proactively. - It sequesters calcium and magnesium to slow limescale formation. - It coats pipe interiors to reduce bio-growth and corrosion. - It works on main water lines and is compatible with 1" NPT fittings. ✝️