Important Safety Instructions
Before using your INXNI C3 Mattress Vacuum Cleaner, please read all instructions carefully and retain them for future reference. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always unplug the vacuum cleaner from the power outlet before cleaning or performing maintenance.
- Do not use the vacuum cleaner on wet surfaces or to pick up liquids.
- Do not handle the plug or vacuum cleaner with wet hands.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use without the dust cup and filters in place.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons in order to avoid a hazard.
Product Overview
The INXNI C3 Mattress Vacuum Cleaner is designed for efficient cleaning of mattresses, upholstery, and other fabric surfaces. It features powerful suction and an efficient filtration system to remove dust, pet hair, and allergens.

Image: The INXNI C3 Mattress Vacuum Cleaner, showing its compact design and main components.
Components:
- Main Vacuum Unit
- Dust Cup
- Filtration System (HEPA filter, sponge filter)
- Power Cord
- Cleaning Brush (if included)
Setup and Assembly
- Unpack the Device: Carefully remove all components from the packaging. Retain packaging for future storage or transport.
- Inspect Components: Check all parts for any signs of damage. If any parts are damaged or missing, do not proceed with assembly and contact customer support.
- Assemble Dust Cup: Ensure the dust cup and its internal filters (HEPA and sponge filter) are correctly seated within the main vacuum unit. Refer to the diagram below for proper placement.

Image: Close-up view of the INXNI C3 Mattress Vacuum Cleaner, highlighting the transparent dust cup and handle.
- Connect Power: Plug the power cord into a standard electrical outlet. Ensure the voltage matches the specifications of the vacuum cleaner.
Operating Instructions
The INXNI C3 Mattress Vacuum Cleaner is designed for dry cleaning of fabric surfaces. Do not use it on wet surfaces or to pick up liquids.
- Power On: Press the power button located on the handle to turn on the vacuum cleaner. The indicator light will illuminate.
- Cleaning Technique:
- Move the vacuum cleaner slowly and steadily across the surface you wish to clean.
- For mattresses, work in overlapping sections to ensure thorough coverage.
- The powerful 15Kpa suction is effective for removing dust mites, pet dander, and fine particles embedded in fabric.

Image: A person operating the INXNI C3 Mattress Vacuum Cleaner on a floor, demonstrating its ease of use.
- Power Off: Press the power button again to turn off the vacuum cleaner. Unplug the power cord from the outlet after use.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner. Always unplug the device before performing any maintenance.
1. Emptying the Dust Cup:
- It is recommended to empty the dust cup after each use or when the MAX fill line is reached.
- Locate the dust cup release button/latch and detach the dust cup from the main unit.
- Hold the dust cup over a trash bin and open the bottom lid to empty the contents.
- Close the lid securely and reattach the dust cup to the vacuum cleaner.
2. Cleaning the Filters:
The INXNI C3 uses a multi-stage filtration system, including a HEPA filter and a sponge filter. These filters should be cleaned regularly to maintain suction power.
- Remove Filters: After emptying the dust cup, carefully remove the HEPA filter and sponge filter.
- Clean Filters:
- Tap the filters gently over a trash bin to remove loose dust and debris.
- If necessary, rinse the sponge filter and the outer mesh of the HEPA filter under cool running water. Do not wash the pleated paper of the HEPA filter.
- Allow all filters to air dry completely for at least 24 hours before reassembling. Do not use a hairdryer or other heating devices.
- Reassemble: Once completely dry, place the filters back into the dust cup in the correct order, then reattach the dust cup to the vacuum cleaner.

Image: The INXNI C3 Mattress Vacuum Cleaner in an upright position, illustrating its compact form factor for storage.
3. Exterior Cleaning:
Wipe the exterior of the vacuum cleaner with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum cleaner does not turn on. |
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| Low suction power. |
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| Unusual noise during operation. |
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If the problem persists after attempting these solutions, please contact INXNI customer support.
Specifications
| Model Number | C3 Mattress Vacuum Cleaner |
| Brand | INXNI |
| Product Dimensions | 11.42 x 9.45 x 9.25 inches |
| Power Source | Corded Electric |
| Special Feature | Bagless, Anti-allergen Tech, 15Kpa Suction |
| Form Factor | Handheld |
| Controller Type | Push Button |
Warranty and Support
Specific warranty details for the INXNI C3 Mattress Vacuum Cleaner may vary by region and retailer. Please refer to the warranty card included with your product or contact your point of purchase for detailed information.
For technical support, replacement parts, or further assistance, please visit the official INXNI website or contact their customer service department. You can also visit the INXNI Store on Amazon for more information.