can you buy by the case a-o wh-pre-rp2?

https://www.amazon.com/dp/B07Y28SXWZ?psc=1&ref=ppx_pop_dt_b_asin_title

does the filter come with rubber seal or ring?

mine did not come with the O ring for the canister. Just the filters.

which is preferable for WH filter 5 micron or 20 micron?

As a rule the smaller the number the more the filter removes...however they also will need changing more often. We use a 20 our well is not terribly hard and this works fine. We change it about every 2 months.

AO Smith 2.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PRE-RP2

AO Smith 2.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PRE-RP2

Product ID: 254561741

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Details

External testing certification
NSF
Item weight
6.4 Ounces
Material
Paper
Product benefits
Ensures and
Product dimensions
6.4D x 6.4W x

🏠whole house sediment protection

💧20 micron ultra-fine filtration

🔧tool-free easy replacement

Description

💧 Elevate your home’s water game with sediment-free confidence!

DIY FRIENDLY FILTER SWAP - Replace your cartridge effortlessly every 3 months—no plumber needed, saving time and hassle.
EXTEND APPLIANCE LIFESPAN - Protect your water heaters and appliances by reducing sediment buildup with every drop.
PERFECT FIT FOR MODERN HOMES - Standard 2.5"x10" size designed for households of 1-4 people, ensuring optimal flow and filtration.
CRYSTAL CLEAR WATER EVERY TAP - 20 micron filtration removes sediment invisible to the naked eye for pristine water throughout your home.
DOUBLE THE VALUE DOUBLE THE CLEAN - Includes a convenient 2-pack so you’re always ready for your next filter change.

The AO Smith 2.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge (2-pack) is a certified, genuine replacement designed for whole house filtration systems. It delivers ultra-fine 20 micron sediment removal to protect your appliances and improve water quality. Easy to install without professional help, it’s ideal for households of up to 4 people and ensures consistent contaminant reduction every 3 months.

Specifications

ASIN	B07R3CG3C6
Best Sellers Rank	#117,177 in Kitchen ( See Top 100 in Kitchen ) #362 in Water Filter Cartridges
Brand Name	A. O. Smith
Customer Reviews	4.8 4.8 out of 5 stars (893)
External Testing Certification	NSF
Item Dimensions D x W x H	6.4D x 6.4W x 25.4H centimeters
Item Weight	6.4 Ounces
Manufacture Year	2019
Manufacturer	AO Smith
Manufacturer Part Number	REACH 2 6
Material Type	Paper
Model Number	REACH 2 6
Number of Items	1
Product Benefits	Ensures contaminant removal and system performance for whole house sediment filtration systems
Unit Count	2 Count

Reviews

J**E

Works very well, good for 30 days

14.02.2026

M**D

Not much to say. They work very for filter system coming into the house. Prevents sand and anything else in the line from coming n the hot water heater.

20.03.2026

S**R

They fit my filter system perfectly!

3.12.2025

J**L

Very good water filter cartridge....

3.03.2026

P**T

Works well Will buy a higher micron filter next time

22.01.2026

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