We were hoping for a cat litter that could quell the smell of urine and Feline Pine is definitely it! When our other cat was alive (rest his soul) the poor thing was subject to all kinds of sand and clumping litter brands. We tried rolling boxes, electronic boxes, boxes with filters, boxes with hoods, and el-cheapo boxes all with the same results. The type of litter didn't matter, because all of them eventually smelled like uric acid and created dust storms that would make the Sahara Desert cower.
Feline Pine has a litter box, however, the thought of having two boxes (one in the other) didn't appeal to us. So, after extensive online research, we decided to purchase the Breeze Litter Box. We threw away the silica pellets and used Feline Pine pellets instead. We kept the pad in the tray and this has been the best litter box we ever had. So far, our kitten uses the litter box like a champ and covers both his #1 & #2. The urine turns into sawdust and falls through the vents onto the pad. If any urine should escape the pellets, the pad is there as a backup. The best part is that we have not smelled cat's urine whatsoever!
One drawback is that the pellets can't hide the smell of kitty's poo no matter how long you leave the feces to dehydrate. The smell does lessen after awhile, but I wouldn't eat dinner next to it. Our only option is to let the feces soak into the pellets for an hour then scoop it into the toilet (100% biodegradable pellets and he's an indoor kitten). However, if you scoop it too soon, then be prepared to clean the scooper!
Overall, for ease of cleaning and Planet Green, we rate Feline Pine pellets #1.