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Aquasure Fortitude Lite 800,000 Gallons

Ranked #19 of 35 in Best Whole-House Water Filters (2026). Here is every spec we scored, where it came from, and how it compares.

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#19

Aquasure Fortitude Lite 800,000 Gallons

Best for: Fortitude Lite whole-house filter with an official 800,000-gallon capacity and a 5-year limited warranty

1.8/10

What we like

  • Top warranty in this comparison (5 yr)

Watch out for

  • Filtration stages not published by Aquasure
  • Service or listed flow not published by Aquasure
  • Micron rating not published by Aquasure

Score breakdown

Filtration stages * 22%
Service or listed flow * 30%
Micron rating * 16%
NSF/ANSI 42 or 53 named 20%
Warranty 12%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Filtration stagesNot listed
Service or listed flowNot listed
Micron ratingNot listed
NSF/ANSI 42 or 53 namedNo
Warranty5 yr
Stages (maker)Not listed
Flow rate (maker)Not listed
Micron rating (maker)Not listed
NSF/ANSI 42 or 53 (maker)Not listed
Warranty (maker)5 year limited warranty when registered online within 60 days (official page)
Capacity (maker)800,000-gallon (official product name)
SKU (maker)AF-PS-30HFL
PriceCheck price
Check price at Amazon
Specs source:

How it compares

Open the full comparison table

iSpring WGB32B-KSNC
4.7/10
#1 · 3-stage 20-inch chloramine and heavy-metals filter; official page names NSF/ANSI 42
iSpring WCF200K
3.2/10
#2 · Elite Series central whole-house filtration system listed at 26 GPM
Waterdrop WHF2E-FC
2.8/10
#3 · 5-stage whole-house filter, model WD-WHF2E-FC
iSpring WGB32B-PB
2.7/10
#4 · 3-stage 20-inch whole-house filter with a lead-reducing cartridge, listed at 15 GPM
iSpring WGB32BM
2.7/10
#5 · 3-stage 20-inch whole-house filter for iron and manganese, listed at 15 GPM
iSpring WGB31B
2.7/10
#6 · 3-stage 10-inch whole-house sediment and carbon-block filter listed at 15 GPM
iSpring WGB31BC
2.7/10
#7 · 3-stage 10-inch whole-house filter with a clear housing, listed at 15 GPM
iSpring WGB31BCM
2.7/10
#8 · 3-stage 10-inch clear-housing filter for iron and manganese, listed at 15 GPM
iSpring WGB32B
2.7/10
#9 · 3-stage 20-inch Big Blue sediment and carbon-block filter listed at 15 GPM
iSpring WGB32B-KS
2.7/10
#10 · 3-stage 20-inch KDF whole-house filter listed at 15 GPM
Aquasure Fortitude Tri-Stage Iron Removal
2.7/10
#11 · Tri-stage whole-house iron system listed at 15 GPM with a 100,000-gallon capacity
Waterdrop WHF2E-PC
2.3/10
#12 · 4-stage whole-house filter; official page names NSF/ANSI 372 only
iSpring WGB21B
2.2/10
#13 · 2-stage 10-inch whole-house sediment and CTO filter listed at 15 GPM
Waterdrop WD-WHF21-PG
2.2/10
#14 · 2-stage whole-house iron and manganese filter listed at up to 15 GPM and 5 micron
iSpring WGB21BM
2.2/10
#15 · 2-stage 10-inch whole-house filter with an iron and manganese cartridge, listed at 15 GPM
iSpring WGB22B
2.2/10
#16 · 2-stage 20-inch Big Blue sediment and carbon-block filter listed at 15 GPM
iSpring WGB22BM
2.2/10
#17 · 2-stage 20-inch whole-house filter for iron and manganese, listed at 15 GPM
APEC Whole House Max 20
1.8/10
#18 · Heavy-duty whole-house filter listed at 16 GPM service and 20 GPM peak
Waterdrop WHF3E-SKH
1.7/10
#20 · 3-stage whole-house housing officially described as 9-stage filtration, model WD-WHF3E-SKH
iSpring WGB12B
1.6/10
#21 · 1-stage 20-inch Big Blue whole-house carbon-block filter listed at 15 GPM
Waterdrop WHF21-PBH
1.2/10
#22 · 2-stage whole-house filter with a 5-micron heavy-metal sediment cartridge
APEC Whole House Max 15
1.2/10
#23 · Heavy-duty whole-house filter listed at 12 GPM service and 16 GPM peak
Aquasure Fortitude V 10-Inch 2-Stage
1.2/10
#24 · 2-stage 10-inch whole-house sediment and carbon filter
Aquasure Fortitude V 20-Inch 2-Stage
1.2/10
#25 · 2-stage 20-inch whole-house sediment and carbon filter
APEC Whole House Max 10
0.6/10
#26 · Heavy-duty whole-house filter listed at 8 GPM service and 12 GPM peak
Waterdrop WHF21-SH
0.6/10
#27 · Whole-house well-water filter officially listed at 5 micron
APEC Green Carbon 10
0.6/10
#28 · Whole-house chemical and odor filter in a 9-inch tank
APEC Green Carbon 15
0.6/10
#29 · Whole-house chemical, odor and taste filter in a 10-inch tank
APEC Iron Hydro 10
0.6/10
#30 · Iron, hydrogen sulfide and manganese whole-house filter
APEC Iron Hydro 15
0.6/10
#31 · Larger Iron Hydro filter for iron, hydrogen sulfide and manganese
APEC Iron Hydro 20
0.6/10
#32 · Largest Iron Hydro filter in this official series
Aquasure Fortitude Pro 1,000,000 Gallons
0.6/10
#33 · Fortitude Pro whole-house filter with an official 1,000,000-gallon capacity
Aquasure Fortitude Pro 1,500,000 Gallons
0.6/10
#34 · Fortitude Pro whole-house filter with an official 1,500,000-gallon capacity
Aquasure Fortitude Pro 600,000 Gallons
0.6/10
#35 · Fortitude Pro whole-house filter with an official 600,000-gallon capacity