Exhibit 99.1

1

This presentation includes forward-looking statements which
reflect the Company’s current views with respect to future
events and financial performance, but involve uncertainties
that could significantly impact results. The Private Securities
Litigation Reform Act of 1995 provides a “safe harbor” for
such forward-looking statements.

2

Company Profile

•Leading niche-oriented global provider of solutions and
products for product recovery, pollution control, and fluid
handling applications

•Diverse, synergistic product offering

•Strong global brand recognition

•Approximately 40% of sales derived from recurring parts
and consumables sales

NYSE: MPR

Met-Pro: Protecting our environment while serving
business and industry around the world

3

Investment Highlights

•Provider of green technologies for:

–Air

–Water

•Market leader in numerous niche-markets

•Strong balance sheet

–High cash balance

–Low debt

•Strong cash flows from operating activities

•Flexible manufacturing strategy

–Minimizes growth constraints

–Increases global sales competitiveness

–Reduces risks during down turns

•Experienced management team

•Dividend paid for 36 consecutive years

4

Recent Events

•Acquired the assets of Bio-Reaction Industries LLC

–Patented biological technology

–Complements existing technologies

–Strengthens our “total air solutions” value proposition

•Global Pump Solutions business unit receives largest
pump order in its history, totaling $3.7 million

•Announced a 10% cash dividend increase

5

Continuous Improvement

•Accretive acquisitions, technology licensing and
strategic business partnerships

•Efficiency improvements and lower costs realized
through:

–“Lean” enterprise initiative

–Global sourcing

–More effective logistics

–Flexible manufacturing strategy

–Value engineering

–Disciplined cost management

•Increased global sales coverage

•Invested in research and development

–Producing new products

–Improving existing products

6

Businesses

Product Recovery/
Pollution Control

44.8%

Filtration/
Purification

12.7%

Fluid Handling

30.6%

7

International

•Rapid industrialization
of international markets
represents significant
growth opportunity

FYE 2010

$19.6 Million

24.5%

International
Sales

75.5%

U.S. Sales

Europe

32.0%

Asia

20.6%

Canada

21.0%

Africa &
Middle East

13.0%

Other

13.4%

8

Customers & Major Markets

•Over 8,000 active customers

–Well-diversified cross-section
of industries including
Fortune 1000 companies

•Major markets include:

–Pharmaceutical

–Chemical/petrochemical

–Food processing

–Metal finishing

–Saltwater aquariums

–Refinery

–Wood products

–Semiconductor/electronics

–Municipalities

–Universities

–Hospitals/public health

–Government facilities

No One Customer Accounts for
More Than 10% of Met-Pro’s Business

9

Products from Single Units…

Mefiag Filter System

Fybroc FRP Pumps

Strobic Air Patented
Tri-Stack™ Fan

Dean
Metallic Pumps

Sethco
Thermoplastic
Pumps

Keystone

Custom Filter Cartridges

Pristine Water
Treatment Chemicals

10

…to Large, Complex Systems

Dean High
Temperature Pumps

Fybroc FRP Pumps

Mefiag Filter Systems

Duall Multi Component
Hot Gas Scrubber System

Flex-Kleen
Dust Collectors

Systems Rotary
Concentrator and
Recuperative

Thermal Oxidizer

Strobic Air Patented
Tri-Stack™ Fans

Bio-Reaction
Bio-Oxidation System

11

Growth Drivers

•Global growth of “green”
manufacturing processes

–Reduce costs

–Reduce energy

–Improve manufacturing performance

–Meet increasing regulatory requirements

•Focus on niche markets

–Limited competition

–International brand recognition

•MRO, upgrade and retro-fit opportunities
from expanding installed base

•New markets

–Geographic expansion

–New product introductions

–Acquisitions and/or technology licensing

12

Strategy

•Capitalize on global niche-oriented growth
opportunities through:

–Strong customer focus

–Geographic expansion

–New product introductions

–Accretive acquisitions, technology licensing and
strategic business partnerships

–Leveraging existing relationships to maximize
penetration of Met-Pro products

–Optimization of synergies within Met-Pro

13

Margin Improvement Strategy

•Continue to expand margins through:

–Pricing power

–Single source solutions

–Global sourcing

–Volume discounts

–Consolidation

–Leveraged operating expenses

–Improved project execution

–Lean enterprise/continuous improvement

–Disciplined cost management

14

15

Cash Flows from Operating Activities

For FYE 1/31

$3.9

$9.9

$12.1

$15.6

16

First Half - FYE 2011

Ended 7/31

	2010	2009	Change
New Order Bookings
Net Sales
Gross Profit %
Operating Income
Net Income
Diluted EPS

Millions ($)

$44.3

3.0

4.4

$

0.20

15.7%

$43.7

36.2%

0.15

33.3%

$

$

$38.3

$40.5

3.2

$

2.1

$

$

34.8%

7.9%

36.0%

38.8%

¯

17

Strong Financial Condition

	7/31/2010
Cash
Total Assets
Total Debt
Shareholders’ Equity

Millions ($)

34.2

$106.2

4.0

82.1

$2.33
per share

Debt to Equity
Ratio = 4.9%

$

$

$

18

36 Straight Years of Dividends

* Reflects 10% Dividend Increase

$.191

$.207

$.230

$.240

$.264*

For FYE 1/31

19

Summary

20