Replaced purifying refills for PETKIT PuraX and PuraMax automatic cat litter box, and also fits for K3 air purifier smart spray.
50ml/bottle
Effective Deodorization: Target smelly molecules and break them down, always keep air fresh in your room.
100% Safe: The main ingredient is plant extract, no harm to pets and human body..

Please note that the purifying refills are available in two packages, old and new versions are shipped randomly