20×4.5 String Wound Whole House Well Water System Sediment Filter for Big Blue

The string wound filter has a deep graded honeycomb structure, dense near the inside core and more open and sparse near the outside edge, forming an effective depth filtration filter, catching larger particulates first and then smaller near the center core, effectively increasing the dirt holding capacity of the filter. Significant Difference between String Wound Filter with Melt-Blown Filter. String Wound Filter > Melt-Blown Filter. 20″ x 4.5″ universal string wound filter cartridge fits most 20 inch big blue filter housings, as prefilter of reverse osmosis (RO) systems and whole house water filtration, as well as variety of commercial and industrial water treatment systems. Remove 99% particles, silt, sand, rust and other undissolved particles in dirty water. As the first line of defense in the filtration system, protect your water using appliances and plumbing for cleaner water, improve water quality and taste. Food grade 100% Polypropylene material, lead and BPA-free. Non-toxic, odorless, no leaching or secondary pollution. Providing a healthy, safe water-filtering experience. Food-grade material, meets NSF42 and CFR21 certification. For better water quality, recommended replace 2 or 3 times every year, depending on the quality of the original water source and application type. Ompatible Housings, Filter Systems and Parts. Most brands’ 20″ x 4.5″ housings Outer diameter 7.3′ at the top and 23.5′ of height approx. American Plumber 155184-51, W5CPHD. Aquaboon AB-1PL20BB1M, AB-1PL20BB5M, AB-1SL20BB1M, AB-1SL20BB5M, AB-1SW20BB1M, AB-1SW20BB5M. AquaPure AP800, AP810-2, AP802B, AP802T. Culligan 155184, CP5-BB, CP5-BBS, CP5-BBSa. Express Water WH300SCGS, WH300SCKS, WH300SCPS, FLTWH2045C, FLTWH2045G, FLTWH2045S. FreshWaterSystems MBGC-45200-05, PS-45097-05, PS-45200-01, PS-45200-05. GeekPure 20-inch filter housing, PP20-BB-5. Harmsco HB-20-1W, HB-20-5W, WB-HB-20-1W, WB-HB-20-5W. Hydronix SDC-45-2005, SDG-45-2005, SWC-45-2005, SWC-45-2020, HF45 series. ISpring F3WGB32B, F3WGB32BM, F3WGB32BPB, F3WGB32BKS, F6WGB32B, FC25B, FP220B, FP25B, WGB12B, WGB22B, WGB32B, WGB32B-KS, WGB32B-PB, WGB32BM. Membrane Solutions MPP-F20B, PE-F20B. Neo-Pure MBGC-45200-05, PS-45097-05, PS-45200-01, PS-45200-05. Pelican PBBB-P20-5, PBB-P20-1, PBB-P20-5. Pentair Pentek DGD-5005-20, ECP20-20BB, EP-20BB, NCP-20BB, R30-20BB, SDC-45-2005, WP5BB20P. SimPure DB20, DB20P, MPP-F20B-5. Tier1 DGD1-20BB, ECP50-20BB, R30-20BB. Watts FM-BB-20-5, FPMB-BB5-20, PWPL20BBM5, WPC1FF20. The list is under continuous updating. This product is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. 20 x Water Filter.