no thing!!!--- this windows was o.k. old but NOT leaking or i said let me replace the gasket. what a mistake? windows leak and i just went to put on a rug in the van i feel i got ripoff or just paid their rent for that year oh by the way my rug is also still getting wet. file has a better R.V. and van repair shop. becareful folk? dont paid for he's rent!
Pros: second hand work rate poor!
Cons: window repair