Fits checked Oct 1, 2026 · How we check
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GeneralAire · humidifier · whole house fan powered

GeneralAire 4400A replacement filter

Use part GA35. Replace 1 to 2 times per humidification season.

The filter that fits

Maker lists this model

GeneralAire GA35 pad

GA35 Vapor Pad

Part number
GA35also sold as 7902
How many
1 per unit
How often
Replace 1 to 2 times per humidification season

The maker does not say how many pads the unit holds; one is assumed.

Buy GA35 pad on AmazonManufacturer page

Opens an Amazon search for GeneralAire GA35 pad. Check the listing says GA35.

See the sources

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 generalfilters.com Maker's own page checked Oct 1, 2026
    Fits: GeneralAire® Models 4200 & 4500 Fits: Aprilaire® Models 350, 360, 568, 560, 600, 700, 760 & 768 Fits: Honeywell® Models HE260, HE265, HE360 & HE365
  • How often generalfilters.com Maker's own page checked Oct 1, 2026
    Common Question: How often should I change my Vapor Pad ®? You'll want to replace your Vapor Pad ® 1-2 times per humidification season.
  • What's in it generalfilters.com Maker's own page checked Oct 1, 2026
    Your Vapor Pad ® is constructed using an expanded aluminum base, coated with a hydrophilic material that absorbs water.
Show all 6 sources

Which filter fits

  1. generalfilters.com Maker's own page checked Oct 1, 2026
    Fits: GeneralAire® Models 4200 & 4500 Fits: Aprilaire® Models 350, 360, 568, 560, 600, 700, 760 & 768 Fits: Honeywell® Models HE260, HE265, HE360 & HE365
  2. generalfilters.com Maker's own page checked Oct 1, 2026
    Page for the 4400A (per its URL): Vapor Pad Size 35 ... PARTS: GA35 Vapor Pad GFI# 7902
  3. generalfilters.com Maker's own page checked Oct 1, 2026
    Model 4400A Fan-Assist Evaporative Humidifier ... Style Fan-Assisted
  4. generalfilters.com Maker's own page checked Oct 1, 2026
    Page for the 4200M (per its URL): Vapor Pad Size 35 ... PARTS: GA35 Vapor Pad GFI# 7902

How often

  1. generalfilters.com Maker's own page checked Oct 1, 2026
    Common Question: How often should I change my Vapor Pad ®? You'll want to replace your Vapor Pad ® 1-2 times per humidification season.

What's in it

  1. generalfilters.com Maker's own page checked Oct 1, 2026
    Your Vapor Pad ® is constructed using an expanded aluminum base, coated with a hydrophilic material that absorbs water.