Krastorio 2 - air purifier helper (2.1)


Krastorio 2 - air purifier helper by Quezler, updated for Factorio 2.1: construction robots restock air purifiers with clean filters and take the used ones away.

Tweaks
57 minutes ago
2.1
58
Environment Logistic network

Changelog

Version: 2.2.0
Date: 2026-11-13
  Features:
    - a save with the original air purifier helper switches to this mod without leftovers on the original's hidden surface ([#1](https://github.com/GreenTech-Solutions/kr-air-purifier-helper-updated/issues/1))
Version: 2.1.0
Date: 2026-11-11
  Info:
    - Published as kr-air-purifier-helper-updated, a fork of Krastorio 2 - air purifier helper 2.0.6 by Quezler
  Features:
    - Support Factorio 2.1
Version: 2.0.6
Date: 2025. 11. 22
  Info:
    - Update inventory defines
    - Add item name fallback for unprefixed used filters
Version: 2.0.5
Date: 2025. 07. 06
  Info:
    - What was i thinking
Version: 2.0.4
Date: 2025. 07. 06
  Info:
    - Fix crash related to the deconstruction planner
Version: 2.0.3
Date: 2025. 05. 22
  Info:
    - Fix super fast bots not taking the trash out
Version: 2.0.2
Date: 2025. 05. 09
  Info:
    - Require 2.0.46 for entity.item_request_proxy
    - Support spaced out
Version: 2.0.1
Date: 2025. 04. 14
  Info:
    - Support the prefixed filter names
Version: 2.0.0
Date: 2025. 04. 11
  Info:
    - Ported to 2.0
Version: 1.1.0
Date: 2024. 09. 18
  Info:
    - Support standalone k2-air-purifier mod
Version: 1.0.8
Date: 2023. 08. 04
  Info:
    - Fix on_nth_tick integer overflow (#16)
Version: 1.0.7
Date: 2023. 05. 08
  Info:
    - Make the mod compatible with modded constr. robots
Version: 1.0.6
Date: 2023. 05. 02
  Info:
    - Renamed the mod
Version: 1.0.5
Date: 2022. 10. 03
  Info:
    - Preserve on_nth_ticks, but not the other globals
Version: 1.0.4
Date: 2022. 10. 03
  Info:
    - Potentially prevent the bots from voiding filters
Version: 1.0.3
Date: 2022. 10. 03
  Info:
    - Fix purifier escaping scheduling via extra filters
Version: 1.0.2
Date: 2022. 10. 03
  Info:
    - Fix a low power/disconnection infinity crash
Version: 1.0.1
Date: 2022. 10. 02
  Info:
    - Adopt it’s readme
    - Update the description and readme
    - Modernize event registration
    - Upgrade from expiring highlight boxes to on_nth_tick
Version: 1.0.0
Date: 2022. 10. 02
  Info:
    - Adopt kr-air-purifier-helper