Pentek R50-BB 50 Micron 10 x 4.5 Whole House Pleated Sediment Filter 30 Pack. Pentek Model Number: R50_BB_30_PACK. 5.0 – 10.0. Fits Pentek Big Blue and any standard heavy duty housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges. 155053-43, PENTEK-R50BB, PENTEK-R50-BB, R50BB. The R50-BB cartridge, available here in a 30-pack, can be washed and reused to extend the life of the filter. The PENTEK-R50-BB is resistant to both bacteria and chemical attack making it a great choice for a variety of residential, commercial and industrial applications. Reusable drop-in cartridge for extended filter life. Pleated design maximizes dirt-holding capacity. Your filters are guaranteed to be the right fit! Our customer service team is guaranteed to answer your call! You’re guaranteed to find expert help! If you need assistance placing your new order please let us know how we can help! The item “Pentek R50-BB 50 Micron 10 x 4.5 Whole House Pleated Sediment Filter 30 Pack” is in sale since Saturday, September 19, 2015. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Water Filters”. The seller is “discountfilterstore” and is located in Minneapolis, Minnesota. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.