Buffalo FIlter has undergone significant growth in recent years - but now the company's employee footprint is set to get a little smaller. The Lancaster-based company filed a state WARN notice with the intention of laying off 15 of its 114 employees between May 13 and Nov. 29. The filing said the reason for the layoffs was "economic." The company was founded in 1991 by Chris Palmerton. It was sold in 2013 to a private equity firm and again, in a deal announced in December, to Utica-based ConMed...