Dart Needle Wheel Experts needed

[Jacob6364]

A couple of questions for the Pros:

1. can the reeflo aspirator intake valve be purchased for DIY skimmer builds?

2. will a Dart 3600 hybrid accept a needle wheel impeller such as this one?

http://www.aquacave.com/Replacement-NEEDLE-WHEEL-IMPELLER-fits-Reeflo-DART-ORCA-P2663.aspx

also any links to skimmer builds on this site?

Thanks