SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
TETLEY PAUL A
(Last) (First) (Middle)
C/O MET-PRO CORPORATION
PO BOX 144
(Street)
HARLEYSVILLE PA 19438
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MET PRO CORP [ MPR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP & General Manager
3. Date of Earliest Transaction (Month/Day/Year)
04/23/2012
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 18,126 D
Common Stock, Par Value $ .10 04/23/2012 A 36 A (1) 7,072 I Held in ESOT/401K
Common Stock, Par Value $ .10 01/31/2012 I(2) 539 A (3) 7,611 I Held in ESOT/401K
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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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
Statutory Stock Purchase Option $9.644 (4) 02/23/2014 Common Stock 17,779 17,779 D
Statutory Stock Purchase Option $7.411 (5) 02/22/2015 Common Stock 10,667 28,446 D
Statutory Stock Purchase Option $9.0375 (6) 12/15/2015 Common Stock 5,380 33,826 D
Non-Statutory Stock Purchase Option $9.0375 (7) 12/15/2015 Common Stock 5,287 39,113 D
Statutory Stock Purchase Option $10.8975 (8) 12/15/2016 Common Stock 12,690 51,803 D
Non-Statutory Stock Purchase Option $10.8975 12/15/2007 12/15/2016 Common Stock 644 52,447 D
Statutory Stock Purchase Option $11.75 (9) 12/10/2017 Common Stock 13,000 65,447 D
Non-Statutory Stock Purchase Option $11.345 (10) 12/03/2018 Common Stock 4,366 69,813 D
Statutory Stock Purchase Option $11.345 (11) 12/03/2018 Common Stock 8,634 78,447 D
Statutory Stock Purchase Option $9.69 (12) 12/11/2019 Common Stock 8,667 87,114 D
Non-Statutory Stock Purchase Option $9.69 12/11/2010 12/11/2019 Common Stock 4,333 91,447 D
Statutory Stock Purchase Option $12.18 (13) 12/17/2020 Common Stock 7,878 99,325 D
Non-Statutory Stock Purchase Option $12.18 12/17/2011 12/17/2020 Common Stock 2,851 102,176 D
Statutory Stock Purchase Option $9.85 (14) 02/27/2022 Common Stock 6,564 108,740 D
Statutory Stock Purchase Option $10.41 (15) 04/02/2022 Common Stock 4,107 112,847 D
Explanation of Responses:
1. To report allocation of ESOP shares at no cost.
2. Represents the shares purchased using employee's contribution under Met-Pro Corporation's 401(k) Plan, for the period 2/1/2011 to 1/31/2012, reported voluntarily and reported for record-keeping purposes only.
3. Shares were purchased at various prices under Met-Pro Corporation's 401(k) Plan for the period 2/1/2011 to 1/31/2012.
4. Exercisable 02/23/2004 as to 5,925 shares, 01/28/2005 as to 608 shares, 02/23/2005 as to 5,291 shares and 02/23/2006 as to 5,955 shares.
5. Exercisable 02/22/2005 as to 3,555 shares, 02/22/2006 as to 3,556 shares and 02/22/2007 as to 3,556 shares.
6. Exercisable 12/15/2006 as to 1,824 shares and 12/15/2007 as to 3,556 shares.
7. Exercisable 12/15/2005 as to 3,555 shares and 12/15/2006 as to 1,732 shares.
8. Exercisable 12/15/2007 as to 3,800 shares, 12/15/2008 as to 4,445 shares, 12/15/2009 as to 4,445 shares.
9. 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.
10. Exercisable 12/03/2009 as to 4,333 shares, 12/03/2010 as to 33 shares and 12/03/2011 as to 0 shares.
11. Exercisable 12/03/2009 as to 0 shares, 12/03/2010 as to 4,300 shares and 12/03/2011 as to 4,334 shares.
12. Exercisable 12/11/2010 as to 0 shares, 12/11/2011 as to 4,333 shares and 12/11/2012 as to 4,334 shares.
13. Exercisable 12/17/2011 as to 725 shares, 12/17/2012 as to 3,576 shares and 12/17/2013 as to 3,577 shares.
14. Exercisable 02/27/2013 as to 2,188 shares, 02/27/2014 as to 2,188 shares and 02/27/2015 as to 2,188 shares.
15. Exercisable 04/02/2013 as to 1,369 shares, 04/02/2014 as to 1,369 shares and 04/02/2015 as to 1,369 shares.
Remarks:
Neal E. Murphy Attorney-in-fact of Paul A. Tetley 04/23/2012
** Signature of Reporting Person Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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