OMNIFilter RS6 Sediment Filter - 10 x 4.5 inch Pleated Replacement Cartridge for Whole-House Big Blue Housings

Overview

The Pentair OMNIFilter RS6 is a sediment replacement cartridge designed for whole-house heavy-duty Big Blue filter housings. It captures dirt, sand, silt, rust, and other particulates, helping protect your plumbing, water heater, and household appliances from sediment buildup. The pleated media design provides a larger filtration surface area than standard cartridges, delivering greater dirt-holding capacity and a longer cartridge life.

With a substantial 30,000 gallon capacity, the RS6 is suitable for both municipal and well water supplies. This makes it a versatile choice for homes and light commercial installations that aim for sustained water flow and fewer filter changes over time.

Key benefits at a glance

• Helps reduce sediment for clean water — this pleated sediment cartridge captures dirt, sand, silt, rust, and other particulates, helping protect your plumbing fixtures, water heater, and household appliances from buildup.
• Pleated media design — the pleated construction provides a larger filtration surface area than non-pleated cartridges, allowing for greater dirt-holding capacity and sustained water flow over the life of the filter.
• Versatile whole-house protection — suitable for a range of residential and light commercial applications where sediment reduction is needed, including well water and municipal water supplies.
• 30,000 gallon capacity — replace approximately every 3 months or when you notice a decrease in water pressure, whichever comes first.

Compatibility and maintenance

The RS6 pairs best with Pentair OMNIFilter BF7, BF9C, BF35, and BF36C heavy-duty whole-house systems, and it fits all 10 x 4.5 inch heavy-duty filter housings from major brands. For optimal performance, check your incoming water pressure and replace the cartridge on a schedule that matches your water use.

In everyday use, the RS6 offers a straightforward upgrade path for homes that want to reduce visible sediment in the water and protect fixtures without complex plumbing changes. It is designed for simple replacement in compatible housings, making it a practical choice for ongoing filtration needs.