SpectraPure® MaxCap RO/DI Replacement Filter Kit

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SpectraPure® MaxCap RO/DI Replacement Filter Kit

Kit Includes:
1 x 1/2 micron dual density gradient sediment filter
1 x 1/2 micron carbon block prefilter
1 x SpectraPure® MaxCap DI™ cartridge
1 x SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer DI Cartridge

1/2 micron dual density gradient sediment filter
manufactured from 100% pure polypropylene fibers. The fibers have been carefully spun together to form a true gradient density from outer to inner surfaces.
polypropylene construction provides superior chemical resistance and is not prone to bacterial attack.
they will not impart taste, odor or color to the liquid being filtered when used within the recommended temperature limit.
designed for purity

1/2 micron carbon block prefilter
highly effective at reducing unwanted taste, odor, chlorine, fine sediments and pesticides.
nominal 0.5-micron rating
effective at reducing Cryptosporidium and Giardia cysts
made entirely from FDA-compliant materials

SpectraPure® MaxCap DI™ cartridge
The revolutionary MaxCap DI ™ cartridge has over 3 times more capacity than any other Mixed-Bed or Hi-Silica removal deionizing cartridge. When placed upstream of your existing DI cartridge, the life of your downstream DI will increase by nine times or more! This incredible break-through in DI cartridge technology will reduce your costs to produce DI water by over 50%.

In many applications, the MaxCap DI™ can be used as a “roughing” cartridge when installed up-stream of a Mixed-Bed or Hi-Silica removal cartridge. For example, if the RO water entering the Max Cap DI™ has 25 ppm TDS (Total Dissolved Solids), the original DI cartridge may process about 200 gallons of pure DI water. By placing a MaxCap DI™ cartridge in front of the original cartridge 600 gallons of water will pass through both cartridges before the Max Cap DI™ is exhausted. The original DI cartridge will be only one-third exhausted. A second Max Cap DI™ will process another 600 gallons and the original cartridge will now be two-thirds exhausted. Only after a third Max Cap DI™ cartridge processes another 600 gallons will the original cartridge finally become fully exhausted. This example illustrates that three Max Cap DI™ cartridges plus the original mixed-bed cartridge will process 1800 gallons of pure DI water. It would have taken nine original mixed-bed cartridges to produce the same amount of pure DI water.

*Note: Cartridge maybe either white or clear in color.

SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer DI Cartridge
SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer Deionization Cartridges are fabricated with semiconductor grade resins for highest possible purity water. They are capable of producing 18 meg ohm-cm resistivity water. They are the first deionization cartridges designed to reduce silica, nitrates and phosphate levels in the low ppb range. These newly formulated cartridges far exceed the performance of previous cartridges, offering enhanced contaminant removal, longer life and higher purity.

Caution: The deionization cartridge life is greatly reduced when operated on low pH waters, or water with high CO2 (carbon dioxide) levels. The exact cartridge life will vary greatly with pH, carbon dioxide levels, and TDS etc. in your RO water or the feed water supplying the RO system. Aeration or de-gasification of RO product water is recommended for such waters for removal of carbon dioxide.

  • For ultra high purity water (18 meg ohm-cm resistivity)
  • Enhanced silica removal
  • Highest silica, nitrate, phosphate, and heavy metal removal of any 10" DI cartridge available
  • Aluminized mylar packaging eliminates DI cartridge degradation
  • Non color-indicating resins for lowest TOC levels
  • Non color-indicating semiconductor grade resins used for highest purity
  • Optimized for post RO or post distillation filtration
  • Higher capacity than other similar size cartridges

Manufacturer Info

SpectraPure Aquarium Supplies
SpectraPure was established in 1985 and is located in Tempe, Arizona, home of Arizona State University. SpectraPure is dedicated to excellence in the design and manufacture of water filtration and purification systems for household, commercial, laboratory and light industrial applications. Their product lines includes a full range of systems and equipment, including drinking water systems, water softeners, filtration systems, reverse osmosis units, RO/DI and deionization systems and many other technological innovations and water purification accessories. SpectraPure provides innovative, state-of-the-art solutions to water purity problems and applications.



Experience Level: Intermediate

spectra pure maxcap rodi kit

as always, prompt shipping and order was perfect thanks

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Experience Level: Intermediate

Awesome service

I ordered these filters and upon installation, found one of them to be defective. I called Marine Depot and discussed it with them and they walked me through and checked everything and confirmed it was a defective cartridge. They immediately shipped out another replacement overnight, no problems. Because of their concern and superior level of service, I am re-ordering with them again. Knowing they have my back in situations like this is very comforting!

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Experience Level: Intermediate

OKay I guess?

....But the advertizement photo shows see through; what you actually get is the last two canister sealed in a non see through container, and it is not self indicating when to change, which I thought I was buying. Having said that, i just brought them one week, and Zero DTS Readings :) ....we'll have to wait and see.

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californiarobb from ROSEVILLE, CA UNITED STATES


Experience Level: Expert

watch what you order

I have always used SpectaPure products and can tell you that they are great products, I usually order straight from SpectrPure but decided to order thru Marine Depot, I noticed the price was better so I thought what the heck, when the cartridge's arrived I noticed one big difference, you cannot see the media , I ORDERED THE NON INDICATING !!!!!!! that's why the price was better... watch what you are ordering but great product.

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Experience Level: Intermediate


100% I recommend , even better from the originals that come with the ro

0 out of 2 found this review helpful

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Experience Level: Expert

To easy

- After 3 years using my RO/DI unit, it was about time to change my filters. Spectra Pure's replacement filter kit was direct replacement for my 5 stage 90gpd unit.

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Experience Level: Beginner

Works as advertised

These replacement units fit precisely and worked immediately bringing the dissolved solids from 380ppm to 0 on my RO/DI unit.

1 out of 1 found this review helpful

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