Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use of our report dated March 1, 2006, except for Note 6, as to which the date is March 23, 2006, in this Amendment No. 1 to the Registration Statement of MFIC Corporation on Form SB-2 appearing in such Registration Statement and to the reference to us under the heading “Experts” in such Registration Statement.

/s/ Brown & Brown, LLP

Boston, Massachusetts

May 11, 2006