Filter Cartridge

Cartridge filters have the advantage of being low cost, easy to install, utilise no electricity, and generate no wastewater.

However, the disadvantages of cartridge filters are that eventually, sediment will plug upwardly the Water Filter Cartridge membrane'due south pores, cause pressure drop, and upshot in a loss of water pressure in the home or business.

Cartridge filters, however, are easy to change and, in the case of some pleated cartridges, are easy to make clean and re-employ.

Cartridge filters for sediment removal come in many sizes and types but by and large fall into ii kinds:  Surface Filter Cartridges and Depth Filter Cartridges.

Cartridge filters are often installed in series with a larger micron-rated cartridge filter beginning, followed past smaller micron-rated filters, down to ane micron.

water filter cartridge for home

Surface Filter (Pleated) Cartridges

Surface Filter (Pleated) CartridgesFiltration with surface filters takes place simply on the surface of the filter membrane.

Sheets of polypropylene, nylon or Teflon, etc., are pleated and bonded on ends to provide a loftier filtration expanse. The contaminants are trapped on the sheet's surface, forming a layer that will somewhen assist filtration in itself.

Equally the pressure driblet increases, the filter cartridge can be removed from the filter housing and washed off at some point.

1 reward of surface filters is they can exist done off, and the cartridge tin can be reused.

While pleated filters are often used equally coarse pre-filters, usually in the range of 30 – 500 microns, they can also be used in sub-micron applications. They provide effectively and consistent filtration due to their definable pore size and construction.

Filtration ratings for pleated surface filter cartridges tin be anywhere between 50-micron down to 0.04-micron absolute, generally used in semiconductors or pharmaceutical water filtration.

Compared to a depth filter, a surface (pleated) filter will have a much higher filtration expanse to compensate for the absence of depth. Filtration areas tin can get as high every bit 11 foursquare feet in a regular 10″ ten 2.five″ cartridge or higher.

Depth Filter Cartridges

Big Blue Filter Cartridge Housing
Big Blue Filter Cartridge Housing

Depth filters are commonly seen as wound string, spun, or "melt-blown" cartridges that trap particles of larger size on the surface and smaller particles nether the surface down to the heart cadre.

They work best when a diversity of particle sizes are being filtered.  Depth filters remove more than sediment and hold more sediment in general, without losing pressure level, than a surface filter cartridge.

How Pocket-size is A Micron?

Basic Microns Table Filter cartridges for sediment removal are rated in microns. A micron rating for a h2o filter indicates the ability of the filter to remove contaminants by the size of the particles.

A marked "5 microns" filter has some capability in capturing particles as small equally 5 microns.

Filter micron ratings for water are usually Nominal or Absolute.

For sediment removal, nominal-rated cartridges are more mutual.

Absolute ratings are needed to remove Giardia, a type of parasite when it becomes important that the filter cartridge absolutely must be rated at 1 micron.

A. Nominal Micron Rating

NMR unremarkably means the filter tin capture a given percent of particles of the stated size. For case, a filter might have a nominal rating of xc% at x microns.

B. Accented Micron Rating

Absolute Micron Rating or "AMR" is a single pass test obtained past passing fluid-containing glass beads through a apartment sheet of filter material. Whatsoever beads that laissez passer through are captured and measured.  You desire an AMR filter for removing parasites and cysts if you lot are filtering lake or creek ("surface water" or your well water is under the influence of surface h2o

water filter cartridge for home infographic

Which Type of Filter Cartridge is All-time?

I reward of the whole house filter housings is that you tin can experiment with different water filter cartridges to see what works best for your application.

By and large, nosotros recommend pleated 50-micron filter cartridges followed past a dual course 25/i micron depth filter.

For very fine sediment in the range of i to 5 microns, we recommend dual-grade depth filters.

Dual grade depth filters start at 50 on the outside and filter down to 5 microns on the inside, which is very effective over a wide range of sediment particles.

Dual form filter cartridges will remove 2.3 times the amount of sediment that standard spun or string wound filters remove.

For more information on removing sediment from your water, visit our Sediments page on our Water Issues tab.

See the CDC page on filters

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