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 2-Pack

Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement 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

€ 163.78

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Description

💧 Elevate your water game with precision filtration that keeps your home flowing flawlessly!

BUILT TO LAST - Thermally bonded polypropylene resists corrosion and chemicals for durable performance.
APPLIANCE ARMOR - Protects your plumbing and devices from sediment damage, extending their lifespan.
MICRON PERFECT PURITY - Captures particles as tiny as 1 micron for crystal-clear water.
TRIPLE LAYERED DEFENSE - Sparse, compaction, and precision layers combine for unbeatable filtration.
FLOW WITHOUT COMPROMISE - Large dirt-holding capacity ensures steady water pressure even under heavy use.

The Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement 2-Pack offers advanced triple-layer filtration technology that removes sediment down to 1 micron, protecting your entire home’s plumbing and appliances. Made from durable, corrosion-resistant polypropylene, it maintains consistent water flow with a high dirt-holding capacity, ensuring long-lasting, pure water for whole house systems.

Specifications

ASIN	B01LZD6OD5
Best Sellers Rank	#26,487 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #179 in Replacement Under-Sink Water Filters
Brand Name	Aquaboon
Customer Reviews	4.7 4.7 out of 5 stars (1,106)
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 Highlight	Water Filter Replacement Cartridge, Whole House Sediment Filtration
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)
UPC	850015007606
Unit Count	2 Count

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€ 163.78

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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