Will this fit the express whole house filter system? It too has 20" filters.

If you have the dimensions of the filter AND the housing, a quick check of the dimensions should tell you what you need to know. Mine are in a "Big Blue" filter housing and work fine. A quick tip... When the instructions say, "Tighten filter housing hand tight." they mean hand tight. Using a filter wrench to tighten it will wrinkle the O-ring and it WILL leak.

Does it matter which end you put up? I see a plastic ring on one end. Bad fit, after 2 tries w/leaks put in an iSpring filter and all was good.

I have Never had that problem, I have used these for over 2 years in my Pentek Big Blue series canister system and they work great!

Can I wash these for reuse before replacing?

Washing them won't hurt them, but you will not be able to get them clean. Even a pressure washer won't remove all of the impurities from a 1 micron filter.

These state they are Pentek 155358-43 replacement, that is a 5 micron filter, Pentek 155360-43 is 1 micron, which is it?

First of all they are different part numbers. Second there are both 5 and 1 micron filters for Pentek systems. Depending on how much particulate matter is in you water you may want either the 5 or 1 micron filter. That said, in all likelihood you will have to change the 1 micron filter more frequently than the 5 micron filter.

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Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with AP810-2, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, 2 Pack

Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with AP810-2, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, 2 Pack

Product ID: 37500828

Details

External Testing Certification
NSF
Item Weight
3.7 pounds
Material
Polyethylene
Product Benefits
Reduces
Product Dimensions
4.5"D x 4.5"W

💧high capacity, consistent flow

🔬1 micron precision filtration

🛡️triple-layer sediment defense

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Description

💧 Elevate your water game with precision clarity and unstoppable flow!

APPLIANCE ARMOR - Protects pumps, pipes & devices from damaging sediment buildup.
SMOOTH FLOW HEAVY DUTY - Large dirt-holding capacity keeps water pressure steady under heavy use.
DURABLE POLYPROPYLENE BUILD - Corrosion & chemical resistant for long-lasting, safe filtration.
TRIPLE LAYER FILTRATION TECH - Sparse, compaction & precision layers for unbeatable sediment removal.
ULTRA FINE 1 MICRON FILTRATION - Captures microscopic sand, silt & rust for crystal-clear water.

The Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement 2-Pack delivers advanced triple-layer filtration that traps particles as small as 1 micron, ensuring crystal-clear water throughout your home. Made from durable polypropylene, it protects plumbing and appliances from sediment damage while maintaining consistent water flow even under heavy use. Ideal for whole house well water systems, this NSF-certified filter offers reliable, long-lasting performance with easy installation.

Specifications

Asin	B01LZD6OD5
Best Sellers Rank	#19,657 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #137 in Replacement Under-Sink Water Filters
Brand Name	Aquaboon
Customer Reviews	4.7 4.7 out of 5 stars (1,108) 4.7 out of 5 stars
External Testing Certification	NSF
Included Components	Manual
Item Dimensions D X W X H	4.5"D x 4.5"W x 20"H
Item Weight	3.7 pounds
Manufacturer	Aquaboon
Manufacturer Part Number	ABC-2S20BB1M
Material Type	Polyethylene (PE)
Model Number	AB-2S20BB1M
Number Of Items	2
Product Benefits	Reduces Sediment
Set Name	2-Pack 1 Micron Sediment Water Filter Cartridges (20x4.5 inches)
Unit Count	2 Count
Upc	850015007606

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24783 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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