Culligan in-line shower filter fits standard 1/2 inch thread shower fittings. Reduces chlorine taste and odor up to 97 percent for softer cleaner skin and hair. Reduces sulfur odor and scale and has a bacteriostatic filter media. Filter life of up to 10,000 gallons or 6 months. Easy to install, no tools required, includes filter change reminder sticker and comes with a 5 year warranty.