AC voltage transparent film polyester thin heater foil is one of the thicker film heater.Any shape,size,voltage can be customized. ... ? A:Yes,you can,we do not limit the quantity,but different quantity,the price is different. Q:Could i get a free ... test,but please pay the freight cost. Q:How long is the warranty? A:Generally,it is one year except that the heater is broken by yourself.We ...