led replacement tube lights for 12v RVs and Trailers SMD,LED,rv,led,led lights,rigid led,retrofit led,trailer led,921,1142,1141,1156,weekend warrior,airstream,winnebago,fleetwood,camper,motorhome,rv,t10,florescent,eel,SR Series,quality,reasonable,inexpensive,best,g4,t3,halogen,forest river,forrest,forest,river,lance,5050,5630,elite,elite series,m4led,m4products,m4 led,m4 products,m4led.com,m4products.com,starlight,super,bright,led,superbrightled,rvled,visionx,light bar,lightbar,double row,single row,CREE,epistar,genuine,off grid,off-grid,off the grid,marine,boating,nautical,yaght,yaught We do not offer Tube Lights that work with the ballast: Here is why: First, Ballast are prone to failure, it is not atypical for them to fail at 5-10 years, and 12 volt ballasts are expensive to replace. If you use a LED tube light that works with a ballast, your light will not work once the ballast fails.