Do you need to have the regulator in the fridge ?
I have a dual regulator set-up, one regulator is used for maturing the beer at 15 psi and the other at 0.4 psi for poring. I got the connector from Keg King, does the job perfectly.
I have chosen to occupy the room in my fridge for kegs,a gas bottle and regulators in the fridge are not in my thinking,each unto his own...I get 5 kegs in my fridge...larger fridge than yours but totally dedicated to kegs.
I got a dual-body one. Bit of a mission setting it up, as the input barb is larger than your typical gas line. Needs an 8mm ID line. However now that I've got it running it's pretty solid, no leaks.