If you want better air quality in your home and you have a dog or numerous cats, you regularly will want to change the litter box when it gets full. By not decreasing the litter box not only will your cats crap all over your home, but it will regularly make the air quality entirely bad and almost dangerous after a while! I used to be lazy in decreasing the litter box for our cats. But after I got exhausted of feeling sick from that ammonia type aroma killing the air quality in our home, I decided it was time I step things up and make the extra effort to regularly clean the litter box every other day even if it isn’t full. It is better to take that extra precaution than to be sorry later and have serious air quality issues; Just because I have cats and & the litter box other things can cause bad air quality, I went out and invested in a whole home air purification proposal for our home. The whole home air purification proposal entirely makes things better all around as long as I remember to clean that litter box every few days or so. That makes it so that all the whole home air purification proposal has to contend with is the pet hairs and such. This makes it much easier for the whole home air purification proposal to do its task and do it entirely well! I would not want to have it any other way than this for sure.