You can buy an oiler that has a split system and does both sides. Otherwise, you can buy the hose and put in your own split system using tubing and two nossles. You can get the tubing at pet shops as its the same as the air line they use and very cheap plus they have all of the little fittings, also at a cheap price.
2008 DL1000 - Two Bros cans, ProTaper Bar, Oxford Grips, PC111, Givi crash bars, MCA screen.
1977 BMW R100S - SOLD
1984 BMW R80RT - ON LOAN
1984 DR185 - In need of a few carbon credits to keep up with burning oil