---
title: How do I change the filters in my StationProtect air filtration unit?
description: This guide shows you how to change all filters in a TFT StationProtect unit, including the pre-filter, HEPA filter, and molecular filtration modules. Proper replacement ensures the unit runs at peak performance and continues removing harmful particulates and VOCs from the air.
---
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June 24, 2025
# How do I change the filters in my StationProtect air filtration unit?
## This guide shows you how to change all filters in a TFT StationProtect unit, including the pre-filter, HEPA filter, and molecular filtration modules. Proper replacement ensures the unit runs at peak performance and continues removing harmful particulates and VOCs from the air.
Replacing the filters in your StationProtect unit is essential to maintaining clean air and proper function. This includes the pre-filter, HEPA filter, and four molecular filtration modules. Follow this guide to complete the replacement safely and correctly.
### Filters You’ll Be Replacing
1. Pre-Filter (bottom panel)
2. 4x Molecular Filtration Modules
3. HEPA Filter (blue filter)
### Step-by-Step Instructions
#### 1. Replace the Pre-Filter
- Locate the bottom panel of the unit.
- Remove the used pre-filter by pulling it out from underneath.
- Slide the new filter in place, ensuring the arrow faces upward.
#### 2. Remove the Front Top Panel
- You only need to remove the top section of the front panel.
- Leave the bottom panel in place.
#### 3. Replace Molecular Filtration Modules
- There are four total.
- Slide each one out and discard.
- Insert each new molecular filtration module into the same slots.
#### 4. Replace the HEPA Filter
- Locate and remove the blue HEPA filter.
- Slide the new HEPA filter into place.
#### 5. Reassemble the Unit
- Reattach the top front panel securely.
- Close the main door of the unit completely.
> ⚠️ Note: The StationProtect will not operate if the door is left ajar. Always ensure it's sealed shut after maintenance.
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