1. Introduction
Thank you for choosing the Medify MA-112 Air Purifier. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your device. Please read it thoroughly before use and retain it for future reference.

Figure 1: Medify MA-112 Air Purifier. This image displays the white Medify MA-112 Air Purifier from a front-angled perspective, showcasing its sleek design and air intake grilles.
2. Important Safety Information
To reduce the risk of electric shock, fire, or injury, please observe the following safety precautions:
- Always unplug the air purifier before moving it, opening the grille, changing filters, or performing any maintenance.
- Do not operate the unit if the power cord or plug is damaged. Contact customer support for assistance.
- Keep the power cord away from heated surfaces.
- Do not use the air purifier in bathrooms or other humid environments.
- Do not insert fingers or foreign objects into the air inlets or outlets.
- This product is intended for indoor use only.
- WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
3. Product Features and Components
The Medify MA-112 Air Purifier is designed to provide clean air through a multi-stage filtration system. Key features include:
- True HEPA H13 Filtration: Removes 99.9% of particles down to 0.1 microns.
- Activated Carbon Filter: Absorbs odors, VOCs, and smoke.
- High Coverage Area: Cleans large spaces efficiently.
- Multiple Fan Speeds: Adjustable airflow for various needs.
- Programmable Timer: Set operation duration.
- Touch Controls: Intuitive interface for easy operation.
- Child Lock: Prevents accidental changes to settings.
- Filter Indicator: Notifies when filter replacement is needed.

Figure 2: 3-Stage Filtration System. This diagram illustrates the three layers of filtration: a pre-filter for large particles, a True HEPA H13 filter for fine dust and allergens, and an active carbon composite filter for odors and VOCs.

Figure 3: Mobility Feature. The image shows the Medify MA-112 Air Purifier, highlighting its integrated wheels for convenient relocation between rooms.

Figure 4: Control Panel Overview. This graphic details the various functions available on the air purifier's control panel, such as fan speed settings, timer options, filter replacement indicator, touch controls, and child lock.
4. Setup Instructions
Follow these steps for initial setup:
- Unpack the Unit: Carefully remove the air purifier from its packaging.
- Remove Filter Packaging: Open the filter compartment (usually located on the side or back) and remove all filters. Ensure any plastic packaging around the filters is removed.
- Install Filters: Place the filters back into the unit in the correct order (refer to the diagram below for guidance). Ensure they are securely seated.
- Close Compartment: Securely close the filter compartment cover.
- Position the Unit: Place the air purifier on a firm, level surface, ensuring at least 1 foot of clearance from walls or furniture for optimal airflow.
- Plug In: Connect the power cord to a grounded electrical outlet.

Figure 5: Clean Air Cycle and Filter Placement. This image illustrates the path of air through the purifier and the correct positioning of the dual air intake, separate prefilter, H13 True HEPA filter with three filtration layers, and the quiet fan before filtered air release.
5. Operating Instructions
The MA-112 features intuitive touch controls on its top panel.
- Power On/Off: Press the power button to turn the unit on or off.
- Fan Speed: Use the fan speed button to cycle through available speeds (e.g., Low, Medium, High, Turbo).
- Timer: Press the timer button to set the operating duration (e.g., 1, 2, 4, 8 hours). The unit will automatically shut off after the set time.
- Child Lock: Activate the child lock feature by pressing and holding the designated button for a few seconds. This prevents unintended changes to settings. Repeat to deactivate.
- Sleep Mode: If available, activate sleep mode to reduce fan speed and dim display lights for quiet operation.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your air purifier.
Filter Replacement
The filter indicator light will illuminate when it's time to replace the filters. Filters (Model: B07MTQKJ14) typically last approximately 3,000 hours or 6 months, depending on usage and air quality.
- Unplug the air purifier from the power outlet.
- Open the filter compartment cover.
- Remove the old filters.
- Insert new Medify MA-112 replacement filters (B07MTQKJ14), ensuring they are correctly oriented.
- Close the filter compartment cover securely.
- Plug the unit back in.
- Reset the filter indicator by pressing and holding the filter reset button (refer to your unit's control panel diagram) until the light turns off.

Figure 6: Filter Components. This image provides a detailed view of the individual filter layers: the pre-filter, the H13 HEPA filter, and the activated carbon filter, illustrating their distinct structures.
Cleaning the Unit
- Wipe the exterior of the unit with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Periodically vacuum the air intake grilles to remove dust buildup.
7. Troubleshooting
If you encounter issues with your Medify MA-112, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power, loose plug, filter compartment open | Check power connection, ensure plug is secure, close filter compartment properly. |
| Poor airflow | Clogged filters, blocked air inlets/outlets | Replace filters, ensure no obstructions around the unit. |
| Unusual noise | Loose filters, foreign object inside, unit not level | Check filter installation, inspect for objects, place on a stable surface. |
| Filter indicator remains on after replacement | Filter reset not performed | Perform filter reset as per maintenance instructions. |
If the problem persists after attempting these solutions, please contact Medify Air customer support.
8. Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | MA-112-W1 |
| Brand | Medify Air |
| Color | White |
| Product Dimensions | 20"D x 15.2"W x 11"H |
| Floor Area Coverage (1hr) | 5,948 sq ft |
| Floor Area Coverage (30min) | 2,974 sq ft |
| Particle Retention Size | 0.1 Micrometer |
| Noise Level | 70 dB (Max) |
| Wattage | 95 watts |
| Controller Type | Button Control |
| Special Feature | Programmable |
| Item Weight | 32 pounds |
| UPC | 860000833615 |
| Certifications | CARB, ETL, Energy Star |
9. Warranty and Support
The Medify MA-112 Air Purifier is backed by a USA registered Lifetime Warranty. For warranty claims, technical support, or further assistance, please visit the official Medify Air website or contact their customer service department.
You can find more information and contact details at the Medify Air Store on Amazon.





