ADVANCED MISTING SYSTEM – 5TH GENERATION Advanced Misting System with a 3/8" Backbone is a significantly more powerful system than the starter or ultimate. Unless you're going to exceed 15-20 nozzles, we do not recommend upgrading to this misting system. Features a pump capable of pressures up to 125psi. Supports from 10 to 70+ nozzles of your choice. Actual number of nozzles depends on the complexity of the system. Pump can run continuously for hours at a time, EVEN DRY! These pumps are manufactured specifically for MistKing and are very robust. This is the 5th generation mistking system which includes the new seconds timer. If your need calls for a different timer, be sure to select it from the options on the right. This kit can be used as is, just get a suitable size reservoir. If you intend to use more nozzles, we recommend extending the 3/8" tubing backbone and adding some extra Reducing Tee connections and then splitting into 1/4" lines that will feed the individual misting assemblies. Alternatively, you can use a 7 port manifold fed by 3/8" tubing or a combination of both. We suggest using this kit as the backbone for a custom misting system. Just add parts, nozzles, tubing and expand on this work horse. Hobbyists and ZOOs run their entire animal rooms based on this kit or multiple kit. Each version sold before had some major improvements that made it better than the previous. In version 5 these are: Improved timer electronics. Timers now have a 3 times higher electronics rating which better equips the timers for dealing with power outages and high inductive demand of MistKing pumps. Reservoir Bulkhead has been custom designed from ground up and is exclusive to MistKing. With its dense metal thread you can now tighten with all required force without worry of stripping. We now also include a small reservoir filter. No need to worry that a floating debris will be sucked into the system and clog your nozzle.