I purchased a Monsoon RS400 to protect my investment in a recent viv build. Two weeks after running it, seal went bad, allowing water into the pump housing, rendering the unit useless. When returning it, I found everyone had it on back order. I now have a Mist King and can say this system is far superior, and the same price! The nozzles perform perfectly, there is little drip and it runs virtually silent. The seconds timer is easy to program and gives you great options for frequency/duration of your misting. Marty is also very personable to deal with. I highly recommend this product to keep your plants and critters happy!