PB55-20 Carbon Water Filter Cartridge For 20 Inch Big Blue Housings, 0.5 Micron, Whole House Lead And Cyst Reduction, Premium Heavy Duty Carbon Block Replacement

PB55-20 Lead-Reducing 20-Inch Carbon Block Filter Cartridge
✔️ 1-pack, 20x4.5 in (508x114 mm) carbon block, 0.5 micron

Premium carbon block water filter cartridge designed for whole-house use in 20" heavy-duty housings. It reduces lead and cysts, improving taste at every tap.

✅ Premium carbon block filter designed for lead and cyst reduction at every tap.
✅ Fits all 20" heavy-duty housings and 20" x 4.5" cartridges.
✅ NSF International STANDARD 53 certified for lead and cyst reduction in compatible systems.
✅ 40,000 gallon capacity; replace every 4-5 months or when water quality drops.

💡 What is a carbon block water filter cartridge used for in home water systems?

Carbon block cartridges are handy for providing cleaner, safer water by reducing contaminants across the whole-house system. - lead reduction across the whole-house system - cyst reduction to improve safety of drinking water - compatible with 20-inch heavy-duty housings ✝️