Introduction
The PETKIT Air Purifying Refills are designed to effectively eliminate odors in compatible PETKIT devices. These refills utilize natural plant extracts to neutralize unpleasant smells, contributing to a fresher environment for both pets and owners. This manual provides essential information regarding product compatibility, installation, and usage.

A banner image featuring PETKIT Air Purifying Refill bottles, emphasizing their role in maintaining fresh air.
Product Compatibility
These air purifying refills are specifically designed for use with the following PETKIT products:
- PETKIT PuraX Automatic Cat Litter Box
- PETKIT PuraMax Automatic Cat Litter Box
- PETKIT K3 Air Purifier Smart Spray
Important Note: These refills are not suitable for the PETKIT Purobot Ultra and Purobot Max Pro self-cleaning cat litter boxes.

This image demonstrates the refill's compatibility and installation process for PETKIT PuraX litter boxes and PETKIT air purifiers.

A detailed table outlining the compatibility of various PETKIT accessories, including air purifying refills, with different PETKIT litter box models such as Purobot Ultra, Purobot Max Pro, PuraMax 2, PuraMax, and PuraX.
Installation and Usage
General Installation Steps:
- Locate the refill compartment on your compatible PETKIT PuraX, PuraMax, or K3 Air Purifier device. Refer to your device's specific manual for exact compartment location.
- Open the compartment cover.
- Insert a new PETKIT Air Purifying Refill bottle into the designated slot. Ensure it is securely seated.
- Close the compartment cover. The device will automatically begin dispensing the purifying solution as needed.
Each bottle contains 50ml of purifying solution. The frequency of replacement will depend on usage and environmental factors. For a single cat, one bottle may last approximately one week.

This image displays four bottles of PETKIT Air Purifying Refills, each labeled 'PETKIT Air Purifying Refill 50mL'.
Key Features
Effective Deodorization
The refills are formulated to quickly target and break down smelly molecules, ensuring the air in your room remains fresh and free from unpleasant odors associated with cat litter boxes.

An abstract image illustrating the breakdown of odor molecules, symbolizing the effective deodorization provided by the PETKIT Air Purifying Refills.

An image showing a cat near a litter box, with an air purifier dispersing mist, symbolizing the effective odor elimination provided by the refills.
Safe Ingredients
Composed of 100% natural plant extracts, the purifying solution is non-toxic and non-irritating. This ensures the safety of your pets and household members, protecting respiratory health without harsh chemicals.

This image highlights the safety of the PETKIT Air Purifying Refills, indicating they are non-toxic and non-irritating, with two bottles shown in a laboratory setting with petri dishes.

This image depicts a laboratory environment with PETKIT Air Purifying Refills and various scientific tools, reinforcing the product's safe and non-irritating formulation.
Specifications
- Model Number: T3-refill
- Volume per Bottle: 50ml (1.69 Fl Oz)
- Quantity: 4 bottles per pack
- Main Ingredient: Plant extract
- Item Weight (total): 8 ounces
- Package Dimensions (L x W x H): 5.63 x 3.78 x 1.34 inches

This image provides the dimensions of the PETKIT Air Purifying Refill packaging: 5.55 inches (length) x 3.81 inches (height) x 1.37 inches (width).
Packaging Versions:
Please note that the purifying refills are available in two packages, old and new versions are shipped randomly. The product formulation remains consistent.

This image shows the difference between the old and new packaging designs for PETKIT Air Purifying Refills, indicating a product update.
Maintenance
The PETKIT Air Purifying Refills are designed for single-use and require replacement once the solution is depleted. The frequency of replacement depends on factors such as the number of pets, the size of the area, and the specific settings of your PETKIT device. For typical usage with one cat, a single 50ml bottle may last approximately one week.
Regularly check the refill level in your device and replace the bottle promptly to maintain optimal odor control.
Troubleshooting
If you experience issues with odor control after installing a new refill, consider the following:
- Incorrect Installation: Ensure the refill bottle is correctly inserted into the designated compartment of your PETKIT device.
- Device Compatibility: Verify that your PETKIT device is listed as compatible with these refills (PuraX, PuraMax, K3 Air Purifier).
- Empty Bottle: Confirm the bottle is not empty.
- Device Malfunction: If the issue persists, consult the instruction manual for your specific PETKIT device (litter box or air purifier) for device-specific troubleshooting steps.
For further assistance, please contact PETKIT customer support.
Support
For any questions or support regarding your PETKIT Air Purifying Refills or compatible devices, please contact PETKIT customer service:
- US Local After-Sales Telephone: (888) 851-2770 (Available Monday-Friday, 9:00 am-12:00 pm CST & 1:00 pm-6:00 pm CST)
- International 24/7 Email Service: support@petkit.com





