Resins & Cartridges

SpectraSelect Plus™ membranes set the industry standards for highest rejection, flow rate, and longevity. SpectraSelect Plus™ 99% Rejection Membranes effectively DOUBLES post Deionizing cartridge...

Coconut carbon blocks are manufactured with a high purity Coconut Shell Activated Carbon.  With a high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines.  Great...

Sediment Filter Cartridge -  2.5 in dia x 10 in L. Economical light weight filters for standard 10" housings reduces fine sediment, sand, silt, rust and scale. Polypropylene Sediment, 4 layer...

Carbon Block Filter Cartridge - 1.0 Micron (nominal), 2.8" x 10" LengthFEATURES: Remove chlorine, organics, taste and odor Dual-purpose - combination sediment and carbon filter Excellent service...

Premium Blend Mix-Bed DI Resin - Made in the USA (Most are not)      Features Virgin Resin (not recycled, some cheap competitors versions are)  Color-Indicating - changes from dark blue to...

SuperDI™ MaxCap® DI Cartridge (Non-Indicating) - High Capacity 10in Shell, 3in dia x 10in L FEATURES: SpectraPure’s MAXCAP® DI™ Replacement Cartridge are the Heart of the MAXCAP® Series of Products...

SpectraPure Standard 90-GPD Batch-Tested TFC RO Membrane, 2in dia x 12in LFEATURES: - Minimum Rejection = 96%. Stabilized Salt Rejection: 98%. - The membranes produce the rated GPD ± 20% at 60 psi...

Lewatit NM-65 is a premium grade, gel type, high capacity, color indication mixed ion exchange resin prepared with a 1:1 chemically equivalent ratio of cation to anion resin. Lewatit NM-65 is a...

Interchangeable with Spectrapure, Captive Purity's, Kent Marine's, AWI's, BRS's, and most residential/aquarium RO or RO/DI systems and SpectraPure® Eliminator Systems. - Remove chlorine, organics,...

Color Changing Mixed Bed DI Resin Media Stage 4 - DI Media DI filter is the last stage of water filtration for the Smart RODI reverse osmosis systems and is necessary to reduce Total Dissolved...

SuperDI™ Color Indicating Mixed Bed DI Cartridge - High-Capacity 10in Shell, 3in dia x 10in L FEATURES: SpectraPure® Color Indicating Mixed-Bed Resin Cartridges provide ultra-pure deionized water...

Sediment Filter Cartridge -  2.5 in dia x 10 in L.Sediment Filters are high efficiency depth gradient density filter cartridges with almost absolute micron ratings.They are strongly recommended for...

STAGE 1 – TWIST-IN SEDIMENT FILTER CARTRIDGE. Aquatic Life Twist-In Sediment Filter Cartridge: Recommend replacing every 6 months. 5-Micron Sediment Filter that traps sediment and other particulate...

Our Nuclear Grade Color Changing Mixed Bed Resin physically changes colors as it becomes exhausted, allowing you to monitor the consumption of the DI resin and know when to change it out. If you use...

STAGE 4 – TWIST-IN MIXED BED COLOR CHANGING RESIN DEIONIZATION CARTRIDGE. Aquatic Life Twist-In Color Changing Dual Deionization Filter Cartridge: Replace when the resin color changes completely...

FilmTec™ Tap Water Reverse Osmosis Elements feature advanced membrane technology and offer outstanding reliability and consistency. Our automated fabrication process allows precise production of...

STAGE 2 – TWIST-IN CARBON BLOCK FILTER CARTRIDGE. Aquatic Life Twist-In Carbon Block Filter Cartridge: Recommend replacing every 6 months. Reduces chlorine and conditions water prior to an RO me

Set Includes: 1x - 10" RODI Standard Sediment Filter - SaltwaterAquarium 1x - 10" Carbon Block Filter Cartridge | High Purity Coconut Shell Activated Carbon Block - SaltwaterAquarium 1x - Bulk...

Our Nuclear Grade Color Changing Mixed Bed Resin physically changes colors as it becomes exhausted, allowing you to monitor the consumption of the DI resin and know when to change it out. If you use...

Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The issue is that we need...

Lewatit NM-65 is a premium grade, gel type, high capacity, color indication mixed ion exchange resin prepared with a 1:1 chemically equivalent ratio of cation to anion resin. Lewatit NM-65 is a...

Ideal replacement for DI Resin, Carbon, and other media used for the water purification process. Fits standard 10" cartridge housing - Designed for upflow applications to ensure the longest possible...

*** Superior Performance - Feature: 4 Times the CAPACITY of a standard carbon block The carbon block filter is the second stage of your RO or RI/DI system. It is great for removing chlorine,...

STAGE 3 – TWIST-IN RO MEMBRANE FILTER CARTRIDGE. Aquatic Life Twist-In TFC RO Membrane Filter Cartridge, 100 GPD: Recommended replacing every 1-2 Years. The RO Membrane reduces impurities known as...

Color Changi

Ideal replacement for DI Resin, Carbon, and other media used for the water purification process. Fits standard 10" cartridge housing - Designed for upflow applications to ensure the longest possible...

The SaltwaterAquarium 0.5-Micron Poly-Blown Sediment Filter reduces sediment, silt, dirt, sand, scale and rust particles.  Features Poly-Blown Multi-Layer Gradient Design Multi-step micron...

FilmTec™ TW30-1812-100HR Elements for water treatment units produce 100 GPD (15.8 L/h) of permeate with 98% stabilized salt rejection at standard test conditions. They are the most reliable and...

The SaltwaterAquarium 1-Micron Poly-Blown Sediment Filter reduces sediment, silt, dirt, sand, scale and rust particles.  Features Poly-Blown Multi-Layer Gradient Design Multi-step micron rating...

Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The issue is that we need...

Thin Film Composite (TFC) Membranes for standard RO systems and the RO Buddie. Features: Polyamide membrane material with a negative charge that removes harmful substances - 11-3/4" standard size...

Premium Blend Mix-Bed DI Resin - Made in the USA (Most are not)      Features Virgin Resin (not recycled, some cheap competitors versions are)  Color-Indicating - changes from dark blue to...

TRUE TFC High Silicate Rejection Membrane  - Made in the USA! *** If you upgrade (or downgrade) to a different Gallon per day RO Membrane; BE SURE to get the correct flow restrictor to match your...

Lewatit NM-65 is a premium grade, gel type, high capacity, color indication mixed ion exchange resin prepared with a 1:1 chemically equivalent ratio of cation to anion resin. Lewatit NM-65 is a...

The carbon block filter is the second stage of your RO or RI/DI system. It is great for removing chlorine, fluoride, pesticides, herbicides, bad taste, odors and other VOCs (volatile organic...

Changes from Blue to Amber when exhausted Anion Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do...

The Original MaxCap® DI Cartridge (Non-Indicating) - Standard 10in Twist-Top Shell, 2.8in dia x 10in L FEATURES: SpectraPure’s MAXCAP® DI™ Replacement Cartridge is the Heart of the MAXCAP® Series of...

Water Saving Upgrade Kits are probably the most recommended RODI upgrade. If you have proper pressure (65+ PSI) we highly recommend installing the kit, because it will produce water twice as fast as...

We recommend color changing resin for the fact that it will physically change colors as it gets exhausted.  That allows you to monitor the consumption of the DI resin and know when to change it out. ...

Thin Film Composite (TFC) Membranes for standard RO systems and the RO Buddie. Features: Polyamide membrane material with a negative charge removes harmful substances - 11-3/4" standard size fits...