Pentair EP-20BB Carbon Block Water Filter – 5 Micron 4.5 x 20 Inch Cartridge – Reduces Chlorine, Taste & Odor – NSF 42 Certified – Replacement for 155583-43

The Pentair EP-20 BB Carbon Briquette Filter (model 155583-43) is a high-performance water filter cartridge engineered to provide reliable sediment and chlorine taste/odor reduction for a wide range of residential and commercial applications. Measuring 4.5" x 20", this 5-micron carbon block filter is part of Pentair’s trusted EP Series, known for its advanced filtration and long service life. The EP-20 features a durable carbon briquette core surrounded by a polyolefin pre-filter wrap, which captures sediment before it can clog the carbon block. This design not only extends the lifespan of the cartridge but also maintains a low pressure drop, ensuring consistent water flow and system efficiency. With its high porosity carbon block structure, the EP-20 minimizes channeling and bypass, while effectively removing fine particles and reducing chlorine, taste, and odor from your water. It's ideal for use in whole-house filtration systems, point-of-entry setups, and 20-inch standard housings. Works with 20-Inch Standard Housings: Fits standard 4.5 x 20-inch standard filter housings, making it ideal for whole-house systems and widely compatible across various setups. NSF 42 Certified for Quality Assurance: Tested and certified to NSF/ANSI Standard 42 for material safety and performance, ensuring dependable filtration and peace of mind. Durable, Long-Life Construction: The filters high porosity carbon block is made from bonded powdered activated carbon (PAC), which provides effective reduction of chlorine taste and odor—recommended replacement every 6 to 12 months. 5 Micron Filtration Efficiency: Removes fine sediment, rust, and particulate matter as small as 5 microns to enhance water clarity and protect household plumbing and appliances.