i cant find info about my fan

[FrenchFrie]

i opened my projector viewsonic pj800,
and i looked at the big fan and this is the info i got from it

MMF-12D12D1T-RC9
12vdc 0.31A
74Q3D1

and it measures 4 3/4 in

where do i find info about it and dB etc and good replacements?

 

[ace3000_1]

french frie

well u could put your finger in it to see how much power it has lol but i wouldnt recomend it, email the manufacturer they should have the specs