Slant 6 PCV ??

Guys im going to buy the parts for a tune up
plugs ect .
I thought this was the pcv valve , ( pictures included )
now I don't know
the tube coming out of it goes to the carb ( just like pvc )
I can't seem to get it out of the valve cover
can some one tell me what tis is

thanks in advance ................. Jim :oops: