P2 and P3 props are not the same and due to dynamic braking, we shouldn't use P2 props on our P3.  If you have both type props, how do you tell the difference?  First, the numbers are different, but quicker is that back side of P2 props are either silver or black, the back of P3 props are all white.

salota8550 Posted at 2015-5-28 09:04
Yes you're right,

The new props for the P3 are NOT the same as the P2 props, even they have the sam ...

What about composite hub props?
http://store.dji.com/product/9450-plastic-hub-props-pink

meolsen, yes, those props are okay to use. As are all others listed here:

http://www.PhantomHelp.com/#PropsP3

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mike@singerscre Posted at 2015-5-28 09:34
meolsen, yes, those props are okay to use. As are all others listed here:

http://www.PhantomHelp.co ...

That' s super helpful.  What about these, they are also self tightening, but 43s

http://store.dji.com/product/e300-9443-carbon-fiber-yellow

meolsen@yahoo.c Posted at 2015-5-28 09:37
That' s super helpful.  What about these, they are also self tightening, but 43s

http://store.dji ...

These props are the correct length, but the wrong pitch for a Phantom 3.  The number 9443 refers to 9.4" diameter and 4.3" pitch.  This is what the P2 uses.   The P3 props are 9450, which are 9.4" diameter and 5.0" pitch.  The props you referred to are probably P2 props with metal inserts.