Replacement Water Filter Cartridges

BuyDirectWaterFilters.com carries a broad variety of genuine and compatible replacement water filters and cartridges that accommodates all types of conventional water systems. From carbon to sediment filters, inline's to specialty cartridges ensuring removal of sand, dirt, chlorine, fluoride and much more to achieve ultimate purification and quality.  Common filters such as drinking water replacement filters need to be replaced every 6 to 12 months depending on the water quality, style, and usage. Regularly replacing filter cartridges in a timely manner guarantees efficiency in the water filtration system, consistent water flow, and quality pure water.
283 items

Culligan Compatible Reverse Osmosis Membranes

SPECIFICATIONS DIMENSIONSLength:11.75 inchWidth: 1.8 inchDETAILProduct ID: TFM-16-A, TFM-18-A, T...

SPECIFICATIONS DIMENSIONSLength:11.75 inchWidth: 1.8 inchDETAILProduct ID: TFM-16-A, TFM-18-A, TFM 36-A, TFM-50-AMedia: Reverse Osmosis MembraneGPD Available : 16, 18, 36, and 50Filter Life: 24 Months

$ 43.00 $ 50.00

GAC Compatible Filter- Culligan Pre-Carbon;

The Microline Clack S-7025, is a compatible GAC pre-filter for Culligan RO systems such as the AC...

The Microline Clack S-7025, is a compatible GAC pre-filter for Culligan RO systems such as the AC30 and AC15, although it is primarily used for proprietary Microline Clack systems. This pre-filter is applied to prolong the life of the membrane of the reverse osmosis (RO) element in these systems by removing chlorine-related tastes and odors from the water supply before it reaches the primary filter media. The Clack S-7025’s 5 micron rated granular activated carbon (GAC) media, will also remov...

$ 23.00 $ 15.00

Culligan Pre-Filter; 5 MIC Compatible Filter

Unique filament matrix provides excellent dirt holding capacity extending the life of the sedimen...

Unique filament matrix provides excellent dirt holding capacity extending the life of the sediment prefilter. The gradient depth filter captures larger particles on the outside while smaller particles are retained inside the filter matrix. SPECIFICATIONS DIMENSIONSLength: 20 inchWidth: 4.25 inchDETAILFilter Application: Sediment/Dirt/RustProduct ID: SC1215105Media: Spun Bonded Polypropylene FilterMicron Rating: 5Materials: Polypropylene, CarbonFilter Life: 3 - 6 Months

$ 10.00 $ 5.00

Carbon Block Compatible Filter- Culligan Pre-Ca...

This Culligan-Compatible Carbon Block Pre-filter is designed to fit some A, and H-series Culligan...

This Culligan-Compatible Carbon Block Pre-filter is designed to fit some A, and H-series Culligan reverse osmosis systems including the: AC30, AC15, H83, and H53. The drop-in style cartridge can be easily connected and replaced with minimum effort. These filters are produced from acid-washed activated carbon that has been combined into a uniform block. This unique construction helps to improve absorptive efficiency and productive capacity of the filter. These Culligan-compatible filters have ...

$ 14.00 $ 8.50

Culligan 10UM Carbon Block Compatible Filter

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 1.85 inchDETAILProduct ID: RS-23-SED5Media: Sedim...

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 1.85 inchDETAILProduct ID: RS-23-SED5Media: Sediment FilterMicron Rating: 5Filter Life: 6 - 12 Months

$ 15.00 $ 9.00

CSM Residential Membranes

SPECIFICATIONS DIMENSIONSLength: 11.73 inchWidth: 1.77 inchDETAILProduct ID: RE1812-35, RE1812-6...

SPECIFICATIONS DIMENSIONSLength: 11.73 inchWidth: 1.77 inchDETAILProduct ID: RE1812-35, RE1812-60, RE1812-80 and RE1812-100Media: Thin Film Membrane (TFM)GPD Available: 35 GPD, 50 GPD, 80 GPD and 100 GPD. Capacity: 35 Gallons Per Day

$ 29.00 $ 39.00

Filmtec Sea Water Membrane Elements

The Dow FILMTEC TW30-2514 Sea Water Membrane is specifically designed for applications where the ...

The Dow FILMTEC TW30-2514 Sea Water Membrane is specifically designed for applications where the higher TDS (Total Dissolved Solids) of marine water is addressed by the a thin film composite which sustains the higher pressures typically utilized in sea water reverse osmosis applications while maintaining a 99.4 percent stabilized salt rejection   SPECIFICATIONS DIMENSIONSLength: 14 inchWidth: 2.4 inchDETAILProduct ID: TW30-2514Media: Sea Water MembraneGPD Available: 100, 540, 600 and 1500Cap...

$ 220.00 $ 385.00

H-Series Nano Filtration Elements

GPD: 140, 7700 and 11500 The H-Series proprietary thin-film nanofiltration membrane elements are ...

GPD: 140, 7700 and 11500 The H-Series proprietary thin-film nanofiltration membrane elements are characterized by an approximate molecular weight cut-off of 150-300 daltons for uncharged organic molecules. Divalent and multivalent ion rejection is dependent upon feed concentration and composition. HL Nanofiltration Elements are used for water softening, color removal, and reduction of THM potential. They feature a fiberglass outer wrap and standard feed spacers.

$ 60.00 $ 1,772.00

CUNO Membrane SQC GPD TFC

SPECIFICATIONS DIMENSIONSLength: Width: DETAILProduct ID: 02-425-125-20Media: Reverse Osmosis Me...

SPECIFICATIONS DIMENSIONSLength: Width: DETAILProduct ID: 02-425-125-20Media: Reverse Osmosis MembraneGPD Available: 25 and 36Materials: Thin Film MembraneFilter Life: 24 Months

$ 150.00

Microline Membrane GPD CTA S-1224RS

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 2.5 inchDETAILFilter Application: Chlorine/Taste/...

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 2.5 inchDETAILFilter Application: Chlorine/Taste/OdorProduct ID: S-1224RSMedia: Carbon BlockGPD Available: 14, 25, and 50Filter Life: 24 Months

$ 80.00 $ 85.00

Culligan Compatible Membrane CTA-16-C Open ended

SPECIFICATIONS DIMENSIONSLength: 12.25 inchWidth: 2.25 inchDETAILProduct ID: CTA-16-CMedia: Cell...

SPECIFICATIONS DIMENSIONSLength: 12.25 inchWidth: 2.25 inchDETAILProduct ID: CTA-16-CMedia: Cellulose Triacetate Membrane (CTA)Flow Rate: 16 GPDFilter Life: 24 Months

$ 55.00 $ 47.00

Compatible Membrane- Rainsoft CTA 10 GPD

This Rainsoft Compatible RO membrane filter is designed to fit a wide range of Rainsoft systems i...

This Rainsoft Compatible RO membrane filter is designed to fit a wide range of Rainsoft systems including 9590, 9593, UF-10, 9594, and 21173 reverse osmosis systems. This CTA (Cellulose Triacetate) cartridge offers superior chlorine tolerance in the range of 0.3-0.5 ppm which makes it uniquely suited for use in chlorinated water. The cartridge also provides excellent stabilized salt rejection rates of up to 94%, along with high rejection rates for a range of other chemical contaminants and TD...

$ 55.00 $ 44.95

Reverse Osmosis Membrane- Filmtec Residential

The Filmtec Residential Reverse Osmosis Membrane features advanced membrane technology that ensur...

The Filmtec Residential Reverse Osmosis Membrane features advanced membrane technology that ensures each filter is designed according to the strictest quality standards and manufacturing specifications. As a result, these membranes are consistently rated for their industry-leading performance in both commercial and household applications. The Residential RO membrane is suitable for use in any environment where safe, high-quality water is required including: under the sink water treatment syst...

$ 19.99 $ 45.00

Valuetrex Membranes Reverse Osmosis TF

Valuetrex membranes fits most standard conventional systems and are at an affordable price.   SPE...

Valuetrex membranes fits most standard conventional systems and are at an affordable price.   SPECIFICATIONS DIMENSIONSLength: 11.75 inchWidth: 2 inchDETAILProduct VX30-1812-50GPDs: 50, 75, 100 and 150 Materials: Polypropylene, CarbonFilter Life: 2-5 years

$ 34.00 $ 51.99

Pentair TLC Membrane

Pentair GPD TLC (Thin Layer Composite) RO Membrane provides high quality water for a broad range ...

Pentair GPD TLC (Thin Layer Composite) RO Membrane provides high quality water for a broad range of water chemistries. As matter collects on the membrane, water from the feed solution sweeps it away and out its own tube. The cleansed permeate, or purified water, stream continues separately from the drain stream to a storage tank or its point of use. SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 2 inchDETAILProduct ID: 02-425-125-20Media: RO MembraneGPD Available: 24 GPD, 36 GPD, 50 GPD, 75 ...

$ 27.00 $ 44.95

Nitrate Reduction Filter- Aries 2.5" x 10"

The Aries AF series Nitrate Reduction Filter utilizes a cutting-edge ResinTech SIR-100-HP ion exc...

The Aries AF series Nitrate Reduction Filter utilizes a cutting-edge ResinTech SIR-100-HP ion exchange resin to produce highly effective nitrate removal in a variety of sources including municipal water lines and well water. The Aries filter uses specialty absorbents to create a strong nitrate affinity; this ensures that nitrates are purified at 25 time’s greater rate than in strongly basic anion exchange resins.  Due to the material properties of the Aries cartridge, it can effectively reduc...

$ 38.95 $ 22.95

Watts 50 GPD Membrane w-1812-50

SPECIFICATIONS DIMENSIONSLength: 11 inchWidth: 2 inchDETAILProduct ID: 1812Media: RO MembraneGPD...

SPECIFICATIONS DIMENSIONSLength: 11 inchWidth: 2 inchDETAILProduct ID: 1812Media: RO MembraneGPD: 50Filter Life: 2 - 5 years

$ 51.99

WATTS PREMIER 50 GPD MEMBRANE

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 2 inchDETAILProduct ID: WP560018Media: RO Membran...

SPECIFICATIONS DIMENSIONSLength: 12 inchWidth: 2 inchDETAILProduct ID: WP560018Media: RO MembraneGPD: 50Filter Life: 2 - 5 years

$ 80.45