Filter Fit FinderAprilAire · humidifier · whole house bypass
AprilAire 568 replacement filter
Use part 35. Replace at least once a year (manufacturer owner's manual).
The filter that fits
Maker lists this modelAprilAire Water Panel 35
AprilAire 35 Replacement Water Panel
- Part number
- 35
- How many
- 1 per unitpacks: 35 02 (2), 35 04 (4), 35 10 (10)
- How often
- Replace at least once a year (manufacturer owner's manual)
- Size
- 13 x 10 x 2 in13 x 10 x 2 in nominal (13 x 10 x 1.75 actual)
Opens an Amazon search for AprilAire Water Panel 35. Check the listing says 35.
Look-alike models that take a different filter
The 558 in the same series takes panel 10.
Other genuine options from AprilAire
Variants and kits the maker sells for this model. Same fit, different media or packaging.
- AprilAire 4837 Maintenance Kit with 35 Water Panel
4837 · Find on Amazon
Compatible alternatives (third party claims)
These fits are claimed by the seller, not by AprilAire. We list them for completeness and label them.
- GeneralAire GA35 Third party claim
GeneralAire says its GA35 Vapor Pad fits AprilAire models 350, 360, 568, 560, 600, 700, 760 and 768
Seller's page - Lennox X2661 Third party claim
Lennox says its Healthy Climate #35 water panel X2661 also replaces AprilAire 35 in models 350, 360, 560, 560A, 568, 600, 700, 760, 760A and 768
Seller's page
Sources
High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.
- Which filter fits shop.aprilaire.com Maker's own page checked Oct 1, 2026
AprilAire 35 Replacement Water Panel For 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, and 768 Whole-House Humidifiers ... Compatible Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 600MKZ, 600KZ, 700KZ, 700MKZ, 700, 700A, 700M, 760, 760A, 768
- How many appliancefactoryparts.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2203620A for Models 110, 112, 220, 224, 350, 360, 440, 445, 448, 558, 560, 568, 760 & 768, dealer-hosted copy (Appliance Factory Parts), PDF p19 (Models 558-560-568): 'Slide the Water Panel evaporator (7) out from the plastic Scale Control Insert ... substitute a new one'
- How often storage.googleapis.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2209190D (09.23), dealer-hosted copy, PDF p8: 'replace the Water Panel ... at least annually with the exception of Models 400 and 400M which should be changed at least twice per heating season'
- Size shop.aprilaire.com Maker's own page checked Oct 1, 2026
Nominal 13H x 10W x 2D; actual 13H x 10W x 1.75D (inches)
- What's in it shop.aprilaire.com Maker's own page checked Oct 1, 2026
Materials 'Aluminum, Synthetic Fiber'; 'heavy-duty aluminum mesh frame' with 'a porous ceramic-type coating'
- Packs shop.aprilaire.com Maker's own page checked Oct 1, 2026
Package Size 1-pack, 2-pack, 4-pack, 10-pack; store SKUs '35', '35 02', '35 04', '35 10'
- Other genuine options shop.aprilaire.com Maker's own page checked Oct 1, 2026
H635EZ1A: '4330 Scale Control Insert, 4331 Distribution Tray, and 35 Water Panel'; 'For 600, 600A, and 600M'
Show all 13 sources
Which filter fits
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
AprilAire 35 Replacement Water Panel For 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, and 768 Whole-House Humidifiers ... Compatible Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 600MKZ, 600KZ, 700KZ, 700MKZ, 700, 700A, 700M, 760, 760A, 768
- appliancefactoryparts.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2203620A for Models 110, 112, 220, 224, 350, 360, 440, 445, 448, 558, 560, 568, 760 & 768, dealer-hosted copy (Appliance Factory Parts), PDF p11: 'For Models 220, 224, 440, 445, 448, 558, 560, and 568 close the bypass damper in the bypass pipe'
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
AprilAire 35 Replacement Water Panel
- storage.googleapis.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2209190D (09.23), dealer-hosted copy, PDF p8 table: 'UNIT WATER PANEL PART NUMBER 300 35 400 45 500 10 600 35 700 35'
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
INCLUDED IN THE BOX: 300 Humidifier ... Model 35 Water Panel
- appliancefactoryparts.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2203620A for Models 110, 112, 220, 224, 350, 360, 440, 445, 448, 558, 560, 568, 760 & 768, dealer-hosted copy (Appliance Factory Parts), PDF p20 (Models 760-768): 'Replace Water Panel evaporator annually with a new Water Panel evaporator (Stock No. 35)'
How many
- appliancefactoryparts.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2203620A for Models 110, 112, 220, 224, 350, 360, 440, 445, 448, 558, 560, 568, 760 & 768, dealer-hosted copy (Appliance Factory Parts), PDF p19 (Models 558-560-568): 'Slide the Water Panel evaporator (7) out from the plastic Scale Control Insert ... substitute a new one'
How often
- storage.googleapis.com Maker's own page checked Oct 1, 2026
AprilAire owner's manual B2209190D (09.23), dealer-hosted copy, PDF p8: 'replace the Water Panel ... at least annually with the exception of Models 400 and 400M which should be changed at least twice per heating season'
Size
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
Nominal 13H x 10W x 2D; actual 13H x 10W x 1.75D (inches)
What's in it
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
Materials 'Aluminum, Synthetic Fiber'; 'heavy-duty aluminum mesh frame' with 'a porous ceramic-type coating'
Packs
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
Package Size 1-pack, 2-pack, 4-pack, 10-pack; store SKUs '35', '35 02', '35 04', '35 10'
Other genuine options
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
H635EZ1A: '4330 Scale Control Insert, 4331 Distribution Tray, and 35 Water Panel'; 'For 600, 600A, and 600M'
- shop.aprilaire.com Maker's own page checked Oct 1, 2026
H735EZ1A: '4236 Scale Control Insert, 4246 Distribution Tray, 35 Water Panel'; fits 700, 700A, 700M