Perfect Litter is an ultra-lightweight, 100% natural Cat Litter that allows 24/7 Cat health monitoring, early warning for flutd & superior odor control. Get Free Trial! Perfect litter ALERT is the only cat litter to offer early warning for flutd, 100% natural with superior odor control, environmentally friendly and 24/7 Cat health monitoring. Keep your cat and your home happy and healthy with lightweight Perfect Litter that allows you to visually monitor the health of your cat and much more.