How often should I clean the Mitsubishi Electric M-Series HM filter?

Manufacturer care guidance for this line: MAC-408FT-E: Replace every year; vacuum every 3 months in between; if dirt remains, soak and rinse in lukewarm water, then shade-dry.

Is the Mitsubishi Electric M-Series HM filter washable or disposable?

MAC-408FT-E is replaceable. MAC-408FT-E: Replace every year; vacuum every 3 months in between; if dirt remains, soak and rinse in lukewarm water, then shade-dry.

Replacement parts and filters

Mitsubishi M-Series HM Replacement Parts & Filters

Covers 5 M-Series HM systems. Part numbers and fit notes identify compatibility only; no manufacturer endorsement is implied.

View Fitment

Capacity and SKU fitment

Use the exact indoor and outdoor model pair before ordering; shared parts and capacity-specific parts are separated by row.

Capacity	Model	SKU pair	Documented part numbers
9k BTU	Mitsubishi Electric M-Series HM 9,000 BTU R-410A 208/230V (MSZ-HM09NA / MUZ-HM09NA)	MSZ-HM09NA-U1 / MUZ-HM09NA-U1	control interface: MAC-334IF-E drain hose: DRX-16 filter anti allergy: MAC-408FT-E smart controller module: PAC-USWHS002-WF-2 thermostat interface: PAC-US445CN-1 wireless remote controller: MHK2
12k BTU	Mitsubishi Electric M-Series HM 12,000 BTU R-410A 208/230V (MSZ-HM12NA / MUZ-HM12NA)	MSZ-HM12NA-U1 / MUZ-HM12NA-U1	control interface: MAC-334IF-E drain hose: DRX-16 filter anti allergy: MAC-408FT-E smart controller module: PAC-USWHS002-WF-2 thermostat interface: PAC-US445CN-1 wireless remote controller: MHK2
14k BTU	Mitsubishi Electric M-Series HM 15,000 BTU R-410A 208/230V (MSZ-HM15NA / MUZ-HM15NA)	MSZ-HM15NA-U1 / MUZ-HM15NA-U1	control interface: MAC-334IF-E drain hose: DRX-16 filter anti allergy: MAC-408FT-E smart controller module: PAC-USWHS002-WF-2 thermostat interface: PAC-US445CN-1 wireless remote controller: MHK2
17.2k BTU	Mitsubishi Electric M-Series HM 18,000 BTU R-410A 208/230V (MSZ-HM18NA / MUZ-HM18NA)	MSZ-HM18NA-U1 / MUZ-HM18NA-U1	control interface: MAC-334IF-E drain hose: DRX-16 filter anti allergy: MAC-408FT-E smart controller module: PAC-USWHS002-WF-2 thermostat interface: PAC-US445CN-1 wireless remote controller: MHK2
22.4k BTU	Mitsubishi Electric M-Series HM 24,000 BTU R-410A 208/230V (MSZ-HM24NA / MUZ-HM24NA)	MSZ-HM24NA-U1 / MUZ-HM24NA-U1	control interface: MAC-334IF-E drain hose: DRX-16 filter anti allergy: MAC-408FT-E smart controller module: PAC-USWHS002-WF-2 thermostat interface: PAC-US445CN-1 wireless remote controller: MHK2

Parts & filters

control-interface

Mitsubishi system control interface

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: MAC-334IF-E
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (System Control Interface2 □ MAC-334IF-E)

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drain-hose

Mitsubishi flexible mini-split drain hose

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: DRX-16
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (Flexible Mini-Split Drain Hose □ DRX-16)

filter-anti-allergy

Mitsubishi anti-allergy enzyme filter

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: MAC-408FT-E
Filter care: Replace every year; vacuum every 3 months in between; if dirt remains, soak and rinse in lukewarm water, then shade-dry.
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (Anti-allergy Enzyme Filter □ MAC-408FT-E)

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smart-controller-module

Mitsubishi Wireless Interface 2

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: PAC-USWHS002-WF-2
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (Wireless Interface 2 □ PAC-USWHS002-WF-2)

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thermostat-interface

Mitsubishi thermostat interface for third-party thermostats

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: PAC-US445CN-1
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (Thermostat Interface □ PAC-US445CN-1)

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wireless-remote-controller

Mitsubishi kumo touch RedLINK wireless controller

Fits: Mitsubishi Electric M-Series HM systems
OEM part number: MHK2
Fit note: Applies to all 5 covered systems in this line; confirm the exact indoor/outdoor SKU in the capacity table before ordering.
Source: Mitsubishi Electric MSZ-HM09NA / MUZ-HM09NA Submittal, ACCESSORIES: MSZ-HM09NA, page p. 4 (kumo touch™ RedLINK™ Wireless Controller □ MHK2)

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Frequently asked questions

How often should I clean the Mitsubishi Electric M-Series HM filter?: Manufacturer care guidance for this line: MAC-408FT-E: Replace every year; vacuum every 3 months in between; if dirt remains, soak and rinse in lukewarm water, then shade-dry.
Is the Mitsubishi Electric M-Series HM filter washable or disposable?: MAC-408FT-E is replaceable. MAC-408FT-E: Replace every year; vacuum every 3 months in between; if dirt remains, soak and rinse in lukewarm water, then shade-dry.