Look at the ones from Progressive Industries. I hear lots of good stuff about them. I currently have a surgard myself (it was on clearance, and didn't know any better), but I am going to upgrade to the PI when that one goes, or, next trailer.
TV - 2015 Ram Truck EcoDiesel
TV - 2006 Jeep Liberty Turbo Diesel (Retired to Daily Driver)
TT - 2015 Rockwood Roo 183 (SOLD due to 2 years off work)
Nights Camping --- 2015 - 19 Camped | Winterized -- 2014 -18
Come read my Camping Blogs