We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.

Welcome to WaterFilters.Net | Free Shipping on Orders Over $99* | Contact Us | 1-888-801-7873

Shop By Department

Replacement Filters
Water Filtration Systems
Brands
Shop Water Filters by Contaminant

Search

Search

Log In
Register

Replacement Filters
Water Filtration Systems
Top Brands
Shop Water Filters by Contaminant

Replacement Filters
Water Filtration Systems
Brands
Shop Water Filters by Contaminant

Skip to Content

Home
Replacement Filters
Point of Entry Replacement Filters
Whole House Replacement Filters
20 x 4.5 Inch Big Blue Water Filters

20 x 4.5 Inch Big Blue Water Filters

Used in Whole House Systems, Commercial Filter Systems, and many other Water Filter Systems

88 Products found

Sort By : Set Descending Direction

Page

You're currently reading page 1
Page 2
Page 3
Page 4
Page 5
Page Next

Show

View as Grid List

Coconut Carbon Block Filter by USWF 0.5 Micron 20"x4.5"

Price $57.71 List Price Price $83.64 Save 31%
1 Pack Selected

1 Pack - $57.71
($57.71 per filter)

3 Pack - $162.90
($54.30 per filter)

4 Pack - $214.04
($53.51 per filter)

6 Pack - $311.64
($51.94 per filter)

12 Pack - $519.36
($43.28 per filter)

25 Pack - $1,010.00
($40.40 per filter)
20 Micron Melt Blown Sediment Filter by USWF 20"x4.5"

Price $26.44 List Price Price $37.99 Save 30%
1 Pack Selected

1 Pack - $26.44
($26.44 per filter)

3 Pack - $74.64
($24.88 per filter)

4 Pack - $98.08
($24.52 per filter)

6 Pack - $142.80
($23.80 per filter)

12 Pack - $237.96
($19.83 per filter)

25 Pack - $462.75
($18.51 per filter)
5 Micron Melt Blown Sediment Filter by USWF 20"x4.5"

Price $24.54 List Price Price $34.99 Save 29%
1 Pack Selected

1 Pack - $24.54
($24.54 per filter)

3 Pack - $69.27
($23.09 per filter)

4 Pack - $91.00
($22.75 per filter)

6 Pack - $132.48
($22.08 per filter)

12 Pack - $220.80
($18.40 per filter)

25 Pack - $429.50
($17.18 per filter)
25 Micron String Wound Sediment Filter by USWF 20"x4.5"

Price $33.07 List Price Price $46.99 Save 29%
1 Pack Selected

1 Pack - $33.07
($33.07 per filter)

3 Pack - $93.33
($31.11 per filter)

4 Pack - $122.64
($30.66 per filter)

6 Pack - $178.56
($29.76 per filter)

12 Pack - $297.60
($24.80 per filter)

25 Pack - $578.75
($23.15 per filter)
5 Micron String Wound Sediment Filter by USWF 20"x4.5"

Price $33.07 List Price Price $46.99 Save 29%
1 Pack Selected

1 Pack - $33.07
($33.07 per filter)

3 Pack - $93.33
($31.11 per filter)

4 Pack - $122.64
($30.66 per filter)

6 Pack - $178.56
($29.76 per filter)

12 Pack - $297.60
($24.80 per filter)

25 Pack - $578.75
($23.15 per filter)
Lead Reducing Carbon Block Filter by USWF 0.5 Micron 20"x4.5"

Price $68.87 List Price Price $99.80 Save 30%
1 Pack Selected

1 Pack - $68.87
($68.87 per filter)

3 Pack - $194.40
($64.80 per filter)

4 Pack - $255.44
($63.86 per filter)

6 Pack - $371.88
($61.98 per filter)

12 Pack - $619.80
($51.65 per filter)

25 Pack - $1,205.25
($48.21 per filter)
30 Micron Pleated Polyester Sediment Filter by USWF 20"x4.5"

Price $28.37 List Price Price $40.99 Save 30%
1 Pack Selected

1 Pack - $28.37
($28.37 per filter)

3 Pack - $80.07
($26.69 per filter)

4 Pack - $105.20
($26.30 per filter)

6 Pack - $153.18
($25.53 per filter)

12 Pack - $255.24
($21.27 per filter)

25 Pack - $496.50
($19.86 per filter)
5 Micron Pleated Polyester Sediment Filter by USWF 20"x4.5"

Price $28.37 List Price Price $40.99 Save 30%
1 Pack Selected

1 Pack - $28.37
($28.37 per filter)

3 Pack - $80.07
($26.69 per filter)

4 Pack - $105.20
($26.30 per filter)

6 Pack - $153.18
($25.53 per filter)

12 Pack - $255.24
($21.27 per filter)

25 Pack - $496.50
($19.86 per filter)
Coconut Carbon Block Filter by USWF 5 Micron 20"x4.5"

Price $46.56 List Price Price $67.47 Save 30%
1 Pack Selected

1 Pack - $46.56
($46.56 per filter)

3 Pack - $131.40
($43.80 per filter)

4 Pack - $172.68
($43.17 per filter)

6 Pack - $251.40
($41.90 per filter)

12 Pack - $419.04
($34.92 per filter)

25 Pack - $814.75
($32.59 per filter)
Chloramine Reducing Filter by USWF Catalytic Carbon Block 1 Micron 20"x4.5"

Price $89.24 List Price Price $129.33 Save 30%
1 Pack Selected

1 Pack - $89.24
($89.24 per filter)

3 Pack - $251.88
($83.96 per filter)

4 Pack - $331.00
($82.75 per filter)

6 Pack - $481.86
($80.31 per filter)

12 Pack - $803.16
($66.93 per filter)

25 Pack - $1,561.50
($62.46 per filter)
20 Micron Pleated Polyester Sediment Filter by USWF 20"x4.5"

Price $28.37 List Price Price $40.99 Save 30%
1 Pack Selected

1 Pack - $28.37
($28.37 per filter)

3 Pack - $80.07
($26.69 per filter)

4 Pack - $105.20
($26.30 per filter)

6 Pack - $153.18
($25.53 per filter)

12 Pack - $255.24
($21.27 per filter)

25 Pack - $496.50
($19.86 per filter)
50 Micron Pleated Polyester Sediment Filter by USWF 20"x4.5"

Price $28.37 List Price Price $40.99 Save 30%
1 Pack Selected

1 Pack - $28.37
($28.37 per filter)

3 Pack - $80.07
($26.69 per filter)

4 Pack - $105.20
($26.30 per filter)

6 Pack - $153.18
($25.53 per filter)

12 Pack - $255.24
($21.27 per filter)

25 Pack - $496.50
($19.86 per filter)

88 Products found

Sort By : Set Descending Direction

Page

You're currently reading page 1
Page 2
Page 3
Page 4
Page 5
Page Next

Show

View as Grid List

Shop By

Shopping Options

Contaminant Issues

Chlorine 25 items
Chloramines 1 item
Iron 3 items
Lead 2 items
Sediment 69 items
VOCs 4 items

Primary Filter Media

Activated Carbon Block 13 items
Carbon-Impregnated Polyester 1 item
Granular Activated Carbon 8 items
GAC with KDF 85 1 item
Ion Exchange Resin 2 items
Meltblown Polypropylene 4 items
Mixed Bed DI Resins 1 item
Permanganate Treated Zeolite 1 item
Pleated Cellulose 3 items
Pleated Cellulose Polyester 4 items
Pleated Polyester 18 items
Polypropylene 23 items
String-Wound Polypropylene 5 items

Brand

American Plumber 2 items
Aqua-Pure 3 items
Harmsco 4 items
Hydronix 9 items
KX Matrikx 1 item
Pentek 25 items
Tier1 27 items
USWF 14 items
Viqua 2 items
Watts 1 item

Price

$0.00 - $99.99 76 items
$100.00 - $199.99 10 items
$200.00 - $299.99 2 items

Media Type

Carbon Filter 25 items
Sediment Filter 57 items
Specialty Filter 4 items

Advertised Size (in)

10 x 4-1/2 1 item
20 x 4-1/2 87 items

Micron Rating (Nominal)

0⋅5 5 items
1 10 items
5 22 items
10 11 items
20 15 items
25 10 items
30 7 items
50 4 items
100 2 items

Filter Life (months)

3 months 4 items
6 months 81 items
12 months 1 item

Filter Life (gallons)

1,000 - 2,500 3 items
5,000 - 10,000 5 items
10,000 - 25,000 4 items
25,000 - 50,000 10 items
50,000 and up 7 items

Flow Rate (gpm)

0.5 - 1.0 1 item
1.0 - 1.5 1 item
1.5 - 2.0 3 items
2.0 - 2.5 1 item
2.5 - 5.0 15 items
5.0 - 10.0 8 items
10.0 - 20.0 25 items
20.0 - 50.0 25 items
50.0 and up 1 item

Have a question? We're here to help!

Give Us a Call: 1-888-801-7873
Phone hours: M - F, 8am - 5pm CST and Closed W, 10am - 11:00am CST
Send Us an eMail: Support@WaterFilters.Net

Your Account

Create Account
My Account
Order Status
Reorder
Auto-Ship Program
Contaminant Database

Policies

Terms & Conditions
Shipping Policy & Rates
Returns & Exchanges
Privacy & Security

Resources

Contact Us
About Us
Water University
Filters by Application
Important Tax Information
Customer Testimonials

© 2023 WaterFilters.net. All Rights Reserved Worldwide.

Water Filters and Home Water Filter Systems

Replacement Filters
Water Filtration Systems
Brands
Shop Water Filters by Contaminant

Replacement Filters
Water Filtration Systems
Top Brands
Shop Water Filters by Contaminant