In air conditioner's.
No, and I would guess that not many people have even heard of the filter tone. Worthless product if you change your oil regularly as you should.
The underlying tone of the night sky can influence what is visible via a telescope with out filters. A good filter will eliminate most of the distracting underlying tone.
no it doesn't, it has something to do with water.......
yes it is used in your car
no that is not necesary you only put a piece of rubber to prove it works before you put the filter. If this work then you put the filter
Is there any items you need to put in simple water filter
put water in
No, not on a normal air filter. But if it is an oil filter yes you apply oil to the filter.
To put in an air filter in a furnace, locate the filter slot in the furnace unit. Remove the old filter if present. Insert the new filter with the airflow direction arrow pointing towards the furnace. Make sure the filter is securely in place before closing the filter slot.
That is the worst filter you could put on. If you want your engine to last you need to put a A/C delco filter on it. If it was not the best,chevy would not use it.
put it in
No the cabin filter was not put in these trucks.