Automatic litter boxes are great for the first few months and then they're not so great. I would just get a regular box and scoop it daily. Some healthier options for litter are s'wheat scoop, recycled newspaper pellets and pine pellets (which can be purchased from places like home depot). The s'wheat scoop is scoopable, but the pellets don't clump. If you go with a clay, there are low dust options.