Sec Form 4 Filing - MORRIS MICHAEL J @ MET PRO CORP - 2012-01-05

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person MORRIS MICHAEL J 2. Issuer Name and Ticker or Trading Symbol MET PRO CORP [ MPR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MET-PRO CORPORATION, PO BOX 144 3. Date of Earliest Transaction (MM/DD/YY) 01/05/2012 (Street) HARLEYSVILLE, PA19438 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, Par Value $ .10 01/05/2012 S 10,000 D $ 9.6 45,822 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-Statutory Stock Purchase Option $ 9.644 ( 1 ) 02/23/2014 Common Stock 12,446 12,446 D Non-Statutory Stock Purchase Option $ 9.0375 ( 2 ) 12/15/2015 Common Stock 13,334 25,780 D Non-Statutory Stock Purchase Option $ 10.8975 ( 3 ) 12/15/2016 Common Stock 13,334 39,114 D Non-Statutory Stock Purchase Option $ 11.75 ( 4 ) 12/10/2017 Common Stock 13,000 52,114 D Non-Statutory Stock Purchase Option $ 11.345 ( 5 ) 12/03/2018 Common Stock 13,000 65,114 D Non-Statutory Stock Purchase Option $ 9.69 ( 6 ) 12/11/2019 Common Stock 13,000 78,114 D Restricted Stock Units ( 7 ) $ 0 06/06/2012 06/06/2012 Common Stock 1,677 79,791 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MORRIS MICHAEL J C/O MET-PRO CORPORATION PO BOX 144 HARLEYSVILLE, PA19438 X Signatures Gary J. Morgan Attorney-in-fact for Michael J. Morris 01/09/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Exercisable 02/23/2004 as to 4,148 shares and 01/28/2005 as to 8,298 shares. ( 2 )Exercisable 12/15/2005 as to 4,444 shares, 12/15/2006 as to 4,445 shares and 12/15/2007 as to 4,445 shares. ( 3 )Exercisable 12/15/2007 as to 4,444 shares, 12/15/2008 as to 4,445 shares and 12/15/2009 as to 4,445 shares. ( 4 )Exercisable 12/10/2008 as to 4,333 shares, 12/10/2009 as to 4,333 shares and 12/10/2010 as to 4,334 shares. ( 5 )Exercisable 12/03/2009 as to 4,333 shares, 12/03/2010 as to 4,333 shares and 12/03/2011 as to 4,334 shares. ( 6 )Exercisable 12/11/2010 as to 4,333 shares, 12/11/2011 as to 4,333 shares and 12/11/2012 as to 4,334 shares. ( 7 )Each restricted stock unit represents a contingent right to receive one share of the company's common stock at no cost.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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