Tier1 Replacement for Pentek DGD-2501 1 Micron 10 x 4.5 Spun Wound Polypropylene Sediment Water Filter COMPARABLE REPLACEMENT: Fits most 10 x 4.5-inch filter housings. Actual Size: 10 inches (length) x 4 1/2 inches (outside diameter) HIGH QUALITY MATERIALS: Spun Wound Polypropylene COMPETITIVE REPLACEMENT: Cost effective alternative to Pentek DGD-2501 HIGH QUALITY WATER: Designed to help ensure you serve only high quality water throughout your home. Particulates Sediment P1-10BB HYDRONIX SDC-45-1001 PENTEK-DGD-2501 SDF-45-1001 155359-43 TIER1-P1-10BB FPMB-BB1-10 Sediment in drinking water on its own isnt particularly hearmful to humans or pets but it can be an indication of lead or iron contamination which can cause serious health issues. If you suspect there is lead in your pipes get your water tested. Sediment filters help protect other appliances and posessions from the harmful effets of particles which can cause staining and spots on clothes, sinks, toilets and more and wear and deterioration on pipes and appliances If other filtration mediums are already in place in your home, sediment filters as a first layer of defense can increase the lifetime of your other filters by reducing the number of particles and contaminants that would otherwise wear on those other filters.