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Cuno Aqua-Pure AP420 Whole House Filter (2-Pack)

9 3/4” L x 2 5/8” W; 5 Micron Nominal Filtration; Dirt & Rust Reduction

Aqua Pure AP420 Water Filter Information:
The Aqua-Pure by Cuno AP420 water filter replacement cartridge reduces dirt and rust up to 5 microns. The AquaPure AP420 dirt & rust water filter cartridge is made from an exclusive process using pure white celluose fibers. As water passes from the outer surfaces into the center of the cartridge, the filtering pores become increasingly smaller to remove even microscopic particles. Unlike string-wound and pleated paper cartridges, the rigid, sturdy construction of the Aqua-Pure cartridges are able to withstand high pressure drop and stressful conditions such as water hammer.
The Aqua-Pure AP420 is commonly used to prevent and protect hot water heaters from scale build-up which can decrease hot water effeciency up to 40%.

CUNO Aqua-Pure AP420 Replacement Water Filter Instructions:
The AquaPure AP420 water filter cartridge should be replaced every 3-4 months. The filter may need to be replaced sooner depending on your water quality and your water usage.

Instructions on how to change the CUNO Aqua-Pure AP420 Replacement Water Filter Cartridge:
Turn off incoming water
Bleed pressure from the unit by depressing the red button on top of unit
Remove housing by sliding wrench up toward head then turn left to unscrew
Wipe housing clean and insert new cartridge
Lubricate o-ring and screw housing into head
Turn water back on