DELTA EFB0412LD -F00 4020 12V 0.08A 4CM 1U Exchager Cooling Fan Part Number: EFB0412LD 40x40x20mm 12V 0.08A 4CM DELTA cooling fan New from old stock ,without mounting screws ,not brand new,some tiny tracks on it.tested works well. Shipping from China 10-15 working days to USA