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*
DEHONT RAYMOND J
(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)
X Director 10% Owner
X Officer (give title below) Other (specify below)
President & CEO
3. Date of Earliest Transaction (Month/Day/Year)
03/28/2011
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 32,086 D
Common Stock, Par Value $ .10 03/28/2011 A 79 A (1) 9,920 I Held in ESOT/401K
Common Stock, Par Value $ .10 01/31/2011 I(2) 651 A (3) 10,571 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
Non-Statutory Stock Purchase Option $9.644 (4) 02/23/2014 Common Stock 30,314 30,314 D
Statutory Stock Purchase Option $9.644 (5) 02/23/2014 Common Stock 14,132 44,446 D
Statutory Stock Purchase Option $7.411 (6) 02/22/2015 Common Stock 40,480 84,926 D
Non-Statutory Stock Purchase Option $7.411 (7) 02/22/2015 Common Stock 3,966 88,892 D
Non-Statutory Stock Purchase Option $9.0375 (8) 12/15/2015 Common Stock 45,334 134,226 D
Statutory Stock Purchase Option $10.8975 (9) 12/15/2016 Common Stock 18,347 152,573 D
Non-Statutory Stock Purchase Option $10.8975 (10) 12/15/2016 Common Stock 28,320 180,893 D
Statutory Stock Purchase Option $11.75 (11) 12/10/2017 Common Stock 8,510 189,403 D
Non-Statutory Stock Purchase Option $11.75 (12) 12/10/2017 Common Shares 36,990 226,393 D
Statutory Stock Purchase Option $11.345 (13) 12/03/2018 Common Stock 8,800 235,193 D
Non-Statutory Stock Purchase Option $11.345 (14) 12/03/2018 Common Shares 36,700 271,893 D
Statutory Stock Purchase Option $9.69 12/11/2012 12/11/2019 Common Stock 10,300 282,193 D
Non-Statutory Stock Purchase Option $9.69 (15) 12/11/2019 Common Shares 35,200 317,393 D
Statutory Stock Purchase Option $12.18 12/17/2013 12/17/2020 Common Stock 8,210 325,603 D
Non-Statutory Stock Purchase Option $12.18 (16) 12/17/2020 Common Stock 29,342 354,945 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 2/1/2010 to 1/31/2011, 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 2/1/2010 to 1/31/2011.
4. Exercisable 02/23/2004 as to 14,636 shares and 01/28/2005 as to 15,678 shares.
5. Exercisable 02/23/2004 as to 177 shares and 01/28/2005 as to 13,955 shares.
6. Exercisable 02/22/2005 as to 13,493 shares, 02/22/2006 as to 13,493 shares and 02/22/2007 as to 13,494 shares.
7. Exercisable 02/22/2005 as to 1,322 shares, 02/22/2006 as to 1,322 shares and 02/22/2007 as to 1,322 shares.
8. Exercisable 12/15/2005 as to 15,111 shares, 12/15/2006 as to 15,111 shares and 12/15/2007 as to 15,112 shares
9. Exercisable 12/15/2007 as to 0 shares, 12/15/2008 as to 9,173 shares and 12/15/2009 as to 9,174 shares.
10. Exercisable 12/15/2007 as to 15,555 shares, 12/15/2008 as to 6,383 shares and 12/15/2009 as to 6,382 shares.
11. Exercisable 12/10/2008 as to 0 shares, 12/10/2009 as to 0 shares and 12/10/2010 as to 8,510.
12. Exercisable 12/10/2008 as to 15,166 shares, 12/10/2009 as to 15,167 shares and 12/10/2010 as to 6,657 shares.
13. Exercisable 12/03/2009 as to 0 shares, 12/03/2010 as to 0 shares and 12/03/2011 as to 8,800 shares.
14. Exercisable 12/03/2009 as to 15,166 shares, 12/03/2010 as to 15,167 shares and 12/03/2011 as to 6,367 shares.
15. Exercisable 12/11/2010 as to 15,166 shares, 12/11/2011 as to 15,166 shares and 12/11/2012 as to 4,868 shares.
16. Exercisable 12/17/2011 as to 12,517 shares, 12/17/2012 as to 12,517 shares and 12/17/2013 as to 4,308 shares.
Remarks:
Gary J. Morgan Attorney-in-fact of Raymond J. De Hont 03/28/2011
** 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).
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