Replacing the filter cartridge in your system is of the utmost importance to keeping it working properly. The RF-1003 0.5 Micron Carbon Block Cartridge is designed to be a cost effective maintenance solution that is highly effective at eliminating foul odors and enhancing the taste of drinking water. Made from organic coconut shells, this activated carbon block captures sediment up to .5 microns and is capable of eliminating a number of chemicals from the water supply.

Manufactured by Apex Water Filters, this cartridge is designed to work with Royal Prestige systems that include 1/4-inch threading. Compatible models include the FRESCAPURE 4000, 4500, 5000, 6000 and UNDERCOUNTER. The cartridge is made in the USA in accordance with strict quality standards to ensure maximum performance.5 Micron Sediment Pre Filter to extract suspended materials such as sediment, rust, insects, and other particles. Manufactured by Apex Water Filters, this cartridge is designed to work with Whole House Filter Models MR-3010/3020/3030 & MR-C Series Commercial Filter Systems.

Warranty * Water pressure can cause leaks and damage the surrounding building or fixtures if not properly installed. User must check all fittings for tightness. Apex assumes no responsibility for water damage due to leaks.

When you choose an APEX water filter, you’ll get the absolute best water filter system for your needs from a company that values your business and will go above and beyond to ensure your full satisfaction.

Not only can you feel good knowing that APEX Water Filters gives Americans good-paying jobs, but you can also be certain that we carefully monitor each step in the manufacturing process because we produce our filtration systems locally.

If for any reason you’re not completely satisfied with an APEX Water Filter, we’ll replace it or refund the purchase price–no questions asked.

At APEX Water Filters, we believe that the best water filters start with the best materials. That’s why we only use carbon that is certified by the National Safety Foundation and components that are approved by the U.S. Food and Drug Administration.

Before a water filtration system leaves our facility, we test it to ensure that it meets our high quality standards. This extra step ensures that you receive a filtration system in the best possible condition.