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AquaPure® 3M Whole House Water Filters

Whole House Water Filter Systems

Aqua-Pure 3M (formerly Cuno brand) offers a fantastic selection of water filtration products, ideal for filtering the water in your home. Choose from systems for small households, through heavy-duty high-flow systems and reduce all those components of water that make it taste and feel bad on your skin - from dirt and rust, to odor and chlorine, these systems have what it takes to make your water better for your family. Looking for more water filtration products? Click here.

SUPER SALE! All of the filter cartridges on this page are on sale (while supplies last)

AP101T Whole House Water Filter System
Great For 1 - 2 Bathroom Homes


AP101T
Features:
  • Built-in (integral) shut-off valve with pressure relief
  • Constructed with high impact plastic for long lasting durability
  • Addresses dirt & rust problems
  • piston type positive o-ring for a tight seal
  • Comes with (1) 5 micron rated filter cartridge (AP110)
  • Includes filter wrench & installation manual
  • Single 3/4" NPT connection
  • No additional valves required
  • Installs on the main cold water line after entering the home
  • Wide variety of replacement filter cartridges to meet different household needs
  • Max Temperature: 100°F
  • Max Pressure: 125 PSI
  • Max Flow: 8 GPM
  • Click here for popular replacement filter cartridges

AP101T whole house filter housing with AP110 cartridge = $98.56

- OR - View Cart

Most Popular Replacement Water Filter Cartridges
Click here for a complete list of replacement Aqua-Pure 3M filter cartridges

Filter # Micron Rating Flow Rate Reduces (Application) Price & Quantity
(each)
Price & Quantity
(pair)
AP110 cartridge
AP110
5 8 gpm Dirt & Rust Discontinued
Use filter WPD-110
as an alternative
Discontinued
Use filter WPD-110
as an alternative
Enter a quantity and
AP124 cartridge
AP124
50 8 gpm Dirt & Rust $9.99
Super Sale!
$19.95
Super Sale!
Enter a quantity and
AP117 filter cartridge
AP117
5 3 gpm Dirt, Rust, Taste & Odor -- $39.34 Enter a quantity and
AP420 filter cartridge
AP420
5 10 gpm Dirt, Rust, Cyst & Scale $39.38
Super Sale!
$69.64
Super Sale!
Enter a quantity and

to filter cartridge installation instructions - to our complete Aqua-Pure filter cartridge page


Accessories & Common Parts For Whole House Water Filtration Systems

Part # Description Price & Quantity
aqua pure filter wrench for AP11T and AP101T housings Sump wrench for AP11T & AP101T series housings $6.29 Enter a quantity and
aqua pure cartridge couplers Cartridge adapter - connects (2) 9.75" cartridges to fit 20" length housings
Note: not for use with AP117 cartridges
$1.89 Enter a quantity and
aqua pure o-ring O-ring for AP11T & AP101T $3.99 Enter a quantity and
Mounting Bracket Mounting bracket for AP11T, AP101T, AP102T series housings $9.25 Enter a quantity and
image of Super Lube Super Lube
- drinking water safe, non-toxic lube for o-rings - 1/2 ounce
$3.49 Enter a quantity and

Heavy-Duty High-Flow Whole House Water Filter Systems

Heavy Duty Filter Housings Only

Model # Description Connection Price & Quantity
AP801 housing
AP801
Super Sale Item!

White head with blue housing body
  • includes filter wrench
  • dimensions: 7-1/4" x 13-15/16"
  • purchase filter cartriges separately below
1" NPT $79.16
Super Sale
While supplies last!
Enter a quantity and
Mounting bracket
MB801 Compatible
Zinc plated mounting bracket for AP800 series housings $14.39 Enter a quantity and

Most Common High Flow Whole House Replacement Filter Cartridges
Click here for a complete list of replacement Aqua-Pure filter cartridges

Filter # Material Fits Housing
Series
Micron
Rating
Flow
Rate
Reduces (Application) Price & Quantity
(each)
AP810 filter cartridge
AP810
polypropylene AP801 5 20 - 28 gpm Dirt & Rust Discontinued
Use filter WDGD-5005
as an alternative
AP814 filter cartridge
AP814
polypropylene AP801 50 20 - 28 gpm Dirt & Rust $24.66 Enter a quantity and
AP817 filter cartridge
AP817
carbon AP801 25 10 gpm Dirt, Rust, Taste & Odor $42.72 Enter a quantity and
AP810-2 filter cartridge
AP810-2
polypropylene AP802 5 45 - 60 gpm Dirt & Rust $42.85 Enter a quantity and
AP817-2 filter cartridge
AP817-2
carbon AP802 25 20 gpm Dirt, Rust, Taste & Odor $75.18 Enter a quantity and

to filter cartridge installation instructions - to our complete Aqua-Pure filter cartridge page


Accessories & Common Parts For Heavy Duty Whole House Systems

Part Description Price & Quantity
Mounting Bracket Zinc plated mounting bracket for AP800 series housings $14.39 Enter a quantity and
AP800 series filter wrench Wrench for all AP800 series housings $8.34 Enter a quantity and
Cuno Strap Wrench Adjustable strap wrench for all AP800 series housings $9.99 Enter a quantity and
image of Super Lube Drinking water safe, non-toxic lube for o-rings - 1/2 ounce $3.49 Enter a quantity and

Frequently Asked Questions

Q. "What is a micron rating?"
A. The average size of the openings between pieces of the filter media are represented in microns. For example, a 40-micron filter has larger openings than a 5-micron filter. Consequently, the 40-micron filter element will let larger particles pass through the filter than the 5-micron element.

As a general rule, the smaller micron rating for a filter is better, but as with most everything, there is a trade-off. Flow capability usually drops off as the micron rating gets smaller. To overcome this, low micron-rating filters must have larger elements to keep from sacrificing precious flow.

Q. "I just installed a new filter cartridge and/or system and my water is cloudy/white. Why?"
A. After you install a new filter (this is the case with any/all brands of filter cartridges) you should run it for a few minutes. Generally cloudy or white water indicates air in the line and this is natural and normal with the replacement of a cartridge. Air will enter in the housing, lines and cartridge. Just run the water for a few (up to 5) minutes and the cloudy conditions will go away (unless you have VERY cold water in which case it is the oxygen in the water that could be making the water look cloudy). It is always a good idea to run the water free flowing for a few minutes after installing any brand or type of new filter cartridge. Also, when you're using drinking-water filter cartridges that contain carbon, it is recommended that you run the faucet tap for at least 20 seconds prior to each use to flush very fine black carbon powder that may be present.

Q. "Why do some of the filter cartridges have lower flow rates than others?"
A. This is because the AP817 is a carbon media filter cartridge not only designed to reduce dirt and rust, but chlorine and odor from water, vs. the AP810 which is designed to reduce only dirt and rust. The lower flow rate is necessary for the water to have a long enough contact time with the carbon to allow it to do the job.


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