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Martin

No!  The gold device near the hand pump is a check valve.  The filter in question is optional and would be located near the hydraulic pump in the return line.  The filter was added to Lancair's latest catalog and was recommended to be installed in the Lancair IV return line near the electric pump.

Tom Byrnes

LML website:   http://www.olsusa.com/mkaye/maillist.html
LML Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.