Hi,
I have just brought a second hand ITG filter from member on here.
Looks pretty clean, but when I rub my hands over the back of the filter its covered in black oily/grease.
Is this normal, or does it need a clean?
Thanks
I have just brought a second hand ITG filter from member on here.
Looks pretty clean, but when I rub my hands over the back of the filter its covered in black oily/grease.
Is this normal, or does it need a clean?
Thanks
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