Natural dust-free clumping cat litter
SmartCat All Natural Clumping Litter is entirely made of grasses grown in the United States and is 99 percent dust-free, according to the manufacturer, Cedarburg, Wis.-based Pioneer Pet Products. The litter clumps on contact and will continue to harden and dry until all urine is absorbed, thus minimizing odor. Available for private branding, the product comes in 5-, 10- and 20-pound bags.