EV Protein Skimmers

The EV series protein skimmers are some of the best selling units today. They have skimmers for the smaller tanks of 40-120 gallons. That unit is the EV-120 and it works either in the sump or out of it. This skimmer is only 18" tall. With a footprint of 4-3/43 x 8-1/23 (not including pump). This skimmer has a 3/43 hose barb water input and a 13 gate valve output. It has a 5/83 collection cup drain and a 3/83 threaded air inlet. Gate valve exit is 73 high on this skimmer.
There next size up is the EV-180 it is rated for tanks from 75-180 gallons. This skimmer can either be mounted internally or externally of the sump. The unit is 20" tall with a footprint of 5.753 x 93 (not including pump). This is what a lot of the people get that have the smaller but heavily stocked tanks get.
The EV-240 is the next one in line. This big dog is Gate Valve rated for tanks between 100-240 gallons of water. This unit is 26" tall with a footprint of 6-3/43 x 10-3/43 (not including pump). There are 3 pumps that they recommend to use they are the Mag Drive 12, Mag Drive 18 and the Gen-X Mak 4. This skimmer has a 13 hose barb water input and a 1 1/23 gate valve output. It has a 3/43 collection cup drain and a 3/83 threaded air inlet. Gate valve exit is 8 1/23 high on this skimmer.
The EV-400 protein skimmer is not meant for the smaller aquarium tanks. This skimmer is rated for tanks between 150-400 gallons water. Like all the other EV's this one can either be mounted internal or externally of the sump. This unit is 32" tall with a footprint of 6-3/43 x 10-3/43 (not including pump).
These are for the people who are seriously into the reef growing and lots of fish. Remember buy a bigger skimmer than what you think you need so you will have room to grow without having to buy another on any time soon.