http://ultrapetcatlitter.com/products/ultra-monthly-monitor/
Se poate cumpara de pe Amazon :
http://www.amazon.com/Monthly-Monitor-Illness-Detection-Program/dp/B00D8KOVUO/ref=sr_1_1?ie=UTF8&qid=1376425560&sr=8-1&keywords=Ultra+Monthly+Monitor+Early+Illness+Detection+Program

Se poate cumpara de pe Amazon :
http://www.amazon.com/Monthly-Monitor-Illness-Detection-Program/dp/B00D8KOVUO/ref=sr_1_1?ie=UTF8&qid=1376425560&sr=8-1&keywords=Ultra+Monthly+Monitor+Early+Illness+Detection+Program
Easy to use- WORKS with all types of litter
- Simply pour on top of a newly filled litter box
- After your cat uses the litter box, wait at least 10 minutes
- Compare the color of the Monthly Monitor Crystals to this color scale:
