Filtrete Whole House System Filter, Large Capacity, 1 Granulated Carbon Pack. Filtrete Large Capacity Whole House System Filters filter water throughout your home, protecting your plumbing and appliances from Sediment and Rust. Large Capacity filters are recommended for 3 or more bathrooms. Universal filter replacements are available in pleated, string wound, carbon wrap, and grooved filters. Filter life replacements available in 3 and 6 month versions.