Have a breath of fresh air! 

• 2 modes - When a pet is detected via the infrared sensor or set it to run automatically every 6 hours. 
• The high polymer solid air freshener is made from plant extracts and is safe & non-toxic.
•  The negative ion generator in Pura air releases high activity negative ions to decrease bacteria and dust in the air. 

Material: ABS
Item: Petkit Air Smart Odor Filter 1 solid air freshener
Brand: Petkit
Color: White
Filter size: 164*40*32 mm
Filter mesh size: 31*55 mm
Filter Weight: 300g
Battery: 3*AAA (Not included)
Working Current: Less than 0.5A
Working Voltage: 4.5V

* replace solid air freshener every 3 months*