We only use corn or pine litter in our house for the kitties, so you can imagine how excited I was to come across this rebate! Right now you can try a box of Feline Pine Clumping cat litter for FREE! They are offering a rebate on either the 9lb. or 14lb. boxes, and the rebate is good for the full purchase price up to $14.99! This is an incredible rebate, so be sure to take advantage of it while you can! The rebate expires June 30, 2012.