💎 SUPERIOR PERFORMANCE: Ronaqua Big High Capacity 10-inch by 4.5-inch, 5-micron sediment filter cartridge offers exceptional filtration for both well and municipal water systems. This premium-quality polypropylene filter utilizes 4-layer gradient density structure, effectively removing a wide range of contaminants, including sediment, rust, sand, dirt, and silt. The result? Crystal-clear water that protects your whole house plumbing and appliances from damage while ensuring better-tasting water 💎 CERTIFIED SAFETY These cartridges are tested & certified by IAPMO R&T against NSF/ANSI Standard 42 for material safety, ensuring they meet the highest safety standards. Made from premium food-grade 100% polypropylene, they feature unique melt-blown technology that prevents the creation of fiber shedding, eliminating any risk of re-contaminating water. Designed for long-lasting performance, these filters offer reliable & efficient filtration for the whole house, maintaining the purity of water 💎 EXTENDED PRODUCT LIFE: Replace Ronaqua PP filter 2-3 times a year, depending on water quality, to maintain optimal performance & protection. The multi-layer gradient density structure creates a large surface area with supreme absorption ability, ensuring long-lasting operation of all water equipment in your whole house. Replace when the original water pressure drops by 25 PSI to ensure continued efficiency. Dimensions: 10 inches x 4.5 inches. This design helps save you money & time on repairs. 💎 FITS A RANGE OF 10 INCH X 4.5 INCH SYSTEMS – Perfect for a wide variety of 10-inch big housings. Four separate gradient density layers enhance cartridge performance, offering a higher dirt-holding capacity compared to similar-sized sediment filters. These cartridges are also compatible with systems BIG-CLEAR-LX-10, BLUONICS BLBBC10, iSpring HB18B, American Plumber W10-PR, Watts W10FFPH1CBPR, SimPure RSWHB001Z_S8, Hydronix HX-HF45-10CLBK10, Geekpure BB-10B, Culligan HD-950A, Aquaboon AB-WH10BB 💎 FITS A RANGE OF 10 INCH X 4.5 INCH SYSTEMS – Perfect for a wide variety of 10-inch big housings. Four separate gradient density layers enhance cartridge performance, offering a higher dirt-holding capacity compared to similar-sized sediment filters. These cartridges are also compatible with systems BIG-CLEAR-LX-10, BLUONICS BLBBC10, iSpring HB18B, American Plumber W10-PR, Watts W10FFPH1CBPR, SimPure RSWHB001Z_S8, Hydronix HX-HF45-10CLBK10, Geekpure BB-10B, Culligan HD-950A, Aquaboon AB-WH10BB Experience crystal-clear, protected water throughout your home with the Ronaqua 10" x 4.5" Big Sediment Replacement Water Filter Cartridge. This premium polypropylene filter, certified to meet NSF/ANSI Standard 42, effectively removes sediment, rust, sand, dirt, and silt, safeguarding your plumbing and appliances while enhancing water taste. Its 4-layer gradient density structure offers superior absorption and extended filter life, requiring replacement every 2-3 years or when water pressure drops by 25 PSI. Compatible with a wide range of 10-inch big housings, including RFC-BBSA, W15-PR, and WFHD13001B, these filters ensure reliable, efficient performance for your whole house.