APEX RF-5100 Replacement Filter Set for Reverse Osmosis Systems(5 Pack)


In Stock

Sku: RF-5100
  • 1- 5 Micron Sediment Filters
  • 1- In line Granular Activated Carbon (GAC) Filters
  • 2 – 5 Micron CTO Carbon Filters
  • 1-Thin-Film composite 100 GPD membrane



APEX RF-5100 Replacement Filter Reverse Osmosis Systems

Reverse osmosis systems are highly effective because they filter water multiple times, relying on different mechanisms to remove impurities and give you the clearest, purest drinking water possible. With the Replacement Filter 5 Pack for Reverse Osmosis Systems, you get all five filters required to maintain standard reverse osmosis systems. This set is designed to simplify shopping and to save you money by allowing you to purchase five top-of-the-line replacement parts for one reasonable price. Inside of the set, you’ll find: one 5 micron sediment filter that removes solids and debris, one in line granular activated carbon or GAC filter for eliminating dissolved gases, one thin film composite 50 GPD membrane to remove various dissolved solids and a pair of 5 micron CTO carbon filters that filter numerous organic and chemical impurities.

Built in U.S.A

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.

Quality Guaranteed

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.

Warranty * Household 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.

Make Clean Drinking Water the Foundation of Your Health.

Weight 6 lbs
Dimensions 16 × 15 × 3 in

RF-5100 Replacement Filter 5 Pack for Reverse Osmosis Systems

  • Sediment Pre Filter
  • 5 Micron Sediment Pre Filter, RF-1000 to to extract suspended materials such as sediment, rust, insects, and other particles.
  • 2 x Carbon Block Cartridge
  • 2x 5 Micron Carbon Block Cartridges, RF-1010 reduces chloramines- the by-product of chlorine and ammonia used in water disinfection. Reduces organic chemicals: pharmaceuticals, herbicides, pesticides, volatile organic chemicals, MTBE , disinfectant by-products and other chemicals for improved taste and elimination of odors. The double carbon briquettes filter out organic matter from water without release of carbon fines. The carbon block prepares water to enter the reverse osmosis element.
  • TFC Membrane
  • The high- rejection (up to 95%) TFC (Thin-Film composite) 50 GPD membrane to reject a wide range of total dissolved solids (TDS).
  • The product water is storage tank, while the reject water (drain) is automatically flushed down the drain.
  • Polishing In Line Filter
  • In line GAC filter, RF-1001 to remove dissolved gases, bad taste and odor from product water. This is the final polishing stage before consumption.


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