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AprilAire · humidifier · whole house steam

AprilAire 865 replacement filter

Use part 80. Replace once per year.

The filter that fits

Maker lists this model

AprilAire Steam Canister 80

AprilAire 80 Replacement Steam Canister

Part number
80
How many
1 per unit
How often
Replace once per year
Size
13.6 x 5.9 x 5.9 in13.6 x 5.9 x 5.9 in (actual)
Buy Steam Canister 80 on AmazonManufacturer page

Opens an Amazon search for AprilAire Steam Canister 80. Check the listing says 80.

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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 80 Replacement Steam Canister For 800, 801, 865, and 866 Steam Humidifiers ... Compatible Models: 800, 801, 865, 866
  • How many shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: 865 Humidifier ... Model 80 Steam Canister ...; 'By replacing the canister every year'
  • How often shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Recommended Replacement Schedule: Once per Year
  • Size shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Actual Measurements: 13.6H x 5.9W x 5.9D (inches)
  • Other genuine options shop.aprilaire.com Maker's own page checked Oct 1, 2026
    80LC is 'optimized for use in areas where the water conductivity is less than 300 uS/cm or when the Steam Humidifier is installed at 120VAC'; 'should not be used with softened water'
Show all 9 sources

Which filter fits

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    AprilAire 80 Replacement Steam Canister For 800, 801, 865, and 866 Steam Humidifiers ... Compatible Models: 800, 801, 865, 866
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: 865 Humidifier ... Model 80 Steam Canister; 'Genuine Replacement Steam Canister 80'
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    For 800, 801, 865, and 866 Steam Humidifiers
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    AprilAire 80 Replacement Steam Canister
  5. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: 800 Humidifier ... Model 80 Steam Canister; 'Genuine Replacement Steam Canister 80'

How many

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    INCLUDED IN THE BOX: 865 Humidifier ... Model 80 Steam Canister ...; 'By replacing the canister every year'

How often

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Recommended Replacement Schedule: Once per Year

Size

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Actual Measurements: 13.6H x 5.9W x 5.9D (inches)

Other genuine options

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    80LC is 'optimized for use in areas where the water conductivity is less than 300 uS/cm or when the Steam Humidifier is installed at 120VAC'; 'should not be used with softened water'