Culligan - Coarse Whole Home Heavy Duty 1" Replacement Filter - White

The Culligan Pleated Heavy-Duty Poly Sediment Replacement Cartridge Water Filtration System has a filter life of up to 6 months or 24,000 gallons, whichever comes first. It is recommended to replace the filter after 6 months of use or when the flow rate decreases significantly. There are no specific maintenance or cleaning procedures mentioned for this filter in the provided context.

This Culligan heavy-duty filter cartridge has a 4.5" diameter, providing four times the dirt-holding capacity compared to standard duty cartridges with a 2.5" diameter. Standard duty cartridges can hold up to 2.5 inches of dirt, while this heavy-duty cartridge can hold up to 4.5 inches of dirt. Therefore, this heavy-duty filter cartridge can hold 4 times more dirt than standard duty cartridges.

Yes, this filter is certified by IAMPO R&T against NSF / ANSI Standard 42 for Material Requirements only.

The Culligan Pleated Heavy-Duty Poly Sediment Replacement Cartridge Water Filtration System extends the lifespan of household appliances and fixtures by reducing sediment, rust, scale, and coarse sand from the water supply. By removing these impurities, the filter helps prevent damage to water-using appliances and fixtures, such as washing machines, water heaters, water softeners, faucets, and more.

Yes, this water filter can be used with both municipal and well water supplies. The product description explicitly states that it is "recommended for use with city and well water supplies."