Filter Cartridge Menu

Common Cartridge Sizes

Select a cartridge size for more information.

Sprite Shower Filters

for Sprite brand high-output & handheld showerfilters

Reverse Osmosis Membranes

Standard TFC & CTA membranes for reverse osmosis units

Q-Series

Quick change style carbon, sediment & specialty cartridges

Multipure Compatible

High quality Carbon block cartridges compatible with Multipure systems

Inline Filters

6" & 10" inline premium brand inline filters

Microline & Hydrotech

Membranes & cartridges

Candle Style

Threaded Doulton ceramic & premium brand carbon block cartridges

2.5" x 9.75" Standard size

Radial style carbon block & sediment cartridges

2.5" x 9.75" Standard Size

Axial style KDF, carbon & specialty media cartridges

4.5" x 9.75"

Standard size carbon, sediment & specialty media cartridges

2.5" x 20"

Standard size carbon, sediment & specialty media cartridges

4.5" x 20"

Standard size carbon, sediment & specialty media cartridges

The picture above includes samples from the main categories of filter cartridges that we carry. Find the cartridge category you want by clicking on the picture or by selecting from the list below

If you're searching by part number, it's easier if you choose from this list.

We stock a very large selection of filter cartridges. If you don't find what you want, please inquire.

Standard 2.5" x 9.75" Size Cartridges

This is the most common size made in water filter cartridges. It is essentially a drinking water size, though some discount store manufacturers use this size in inexpensive whole house filters. Compatible with our Model 77, Black & White RO and Undersink Filters.

Standard 2.5" x 20" Size Cartridges

This is a favorite size of makers of light-duty whole-house filters both for sediment and chemical removal.

Standard 4.5" x 9.75" Size Cartridges

This is the popular “Big Blue” size used mainly for light-duty whole house filters. It's a popular size for wells.

Most cartridges in this category are carbon blocks and sediment cartridges.

Standard 4.5" x 20" Size Cartridges

This is the popular 20" or double “Big Blue” size used mainly for free-flowing whole house filters. It's a popular size for wells and for residential chlorine removal filters.

Available in sediment, carbon block and specialty cartridges.

Candle, Slimline & Doulton Cartridges

This is the standard threaded cartridge that fits Doulton filters and our own slimline countertop series. We call them “Candles”, as Doulton does, or simply Slimlines.

Includes several grades of ceramics, carbon blocks, and sediment cartridges.

Microline & Hydrotech Cartridges

Specialty cartridges for filters & RO units by Hydrotech and Microline.

Q Series Cartridges

Omnipure's Q Series. We stock mainly 12" sediment and granular carbon models for reverse osmosis and for general filtration purposes, but we also have specialty units for lead removal, scale reduction, and deionization.

Inline Filters

Many styles and formats of easy-to-install disposable Inlines. We stock open end 1/4" port style as well as the quick connect style.

Multipure Compatible Filters

High quality carbon blocks compatible with many Multipure units.

Sprite Shower Filters

Replacement cartridges for the High-Output (HO) and Hand-Held style Sprite shower filter models.

Reverse Osmosis Membranes

We stock a wide variety of membranes for standard membrane housings. Also, some specialty items like Hydrotech and Q Series membranes.

Replacement Cartridge Packs

Premade cartridge replacement packs for undersink & reverse osmosis units we carry.

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