Arrow Update!

Weve updated our website with some new features to improve your experience.

Take a look at our latest features on the Whats New summary page. This page is always avaliable from the About menu in the main nav.

Home
Products
Literature
Sales Locator
Contact
About
Tools

Products

Home
Products

Choose a category to filter by

Product Filters

Product Type

Filters Product Type

Construction

Filters Construction

Certification

Filters Certification

Performance

Filters Performance

Product Type Filters

Non-UL Dampers 63

Control Dampers 31

Balancing Dampers 7

Backdraft Dampers 13

Round Dampers 16

Industrial Dampers 13

Multi Zone Dampers 3

Louvers 121

Stationary Louvers 53

Severe Weather Louvers 25

Adjustable / Combination Louvers 27

Acoustical Louvers 8

Brick Vents 2

Life Safety (UL Rated) 97

Dynamic Fire Dampers 22

Fire-Smoke Dampers 39

Smoke Dampers 18

Static Fire Dampers 13

Ceiling Radiation Dampers 5

Doors 36

Aluminum Plenum Access Doors 18

Steel Plenum Access Doors 6

Duct Access Doors 12

Access Doors 36

Rooftop 17

Penthouses 8

Sunshades / Vision Screens 9

Construction Filters

Materials

Extruded Aluminum 6063 Alloy 22
Rolled Aluminum 0
Structural Aluminum 0

304 Stainless Steel 5
316 Stainless Steel 5
Fabricated Steel 0
Galvaneal (When Finish / Field Painting Is Required) 5
Galvanized Steel 5
Hot Rolled Steel 0
Structural Steel 0

General Construction

General Construction Properties

Insulation

Louver/Damper Construction

Blade Construction Properties

Blade Type

Drainable Blade

Blade Movement

Blade Action

Blade Depth

in.

in.

4 in. 8 in.

Blade Angle

deg.

deg.

0 deg. 45 deg.

Single Panel Size

Min Size Width

in.

3.75 in. 44 in.

Max Single Panel Width

in.

14 in. 60 in.

Min Size Height

in.

3 in. 44 in.

Max Single Panel Height

in.

10 in. 96 in.

Min Size Diameter

in.

4 in. 11.75 in.

Max Single Panel Diameter

in.

11 in. 34 in.

Mount Orientation

Horizontal

Vertical

Horizontal or Vertical

Frame Construction Properties

Frame Depth:

in.

in.

0.465 in. 18 in.

Frame Shape

Frame Style

Frame Type

UL / Life Safety Construction

Actuator Closure Type

Certifications Filters

Certifications and Ratings

For Rainfall Protection

AMCA Rating (Water Penetration) 33
AMCA Rating (Wind Driven Rain) 17

For Hurricane Protection

Miami-Dade Approved 4
AMCA Rating 540 (Missile Impact) 5
AMCA Rating 550 (High Velocity WDR) 6

For Airflow

AMCA Rating (Air Leakage) 2
AMCA Rating (Air Performance) 81

Life Safety Standards

Underwriters Laboratories, Inc.: 555 63
National Fire Protection Association: 80 & 90A 80
Underwriters Laboratories, Inc.: 555S 57
Underwriters Laboratories, Inc.: 555C 5

UL Fire Rating

UL Fire Resistance Rating: 1.5 Hours 48
UL Fire Resistance Rating: 3 Hours 26

UL Leakage Rating

UL Leakage Rating: Class I 26
UL Leakage Rating: Class II 31

UL Temperature

UL Temperature Rating: 250° 50
UL Temperature Rating: 350° 38
UL Temperature Rating: 250°/350° 45

Other Certifications

ICC's International Building Code 78

Performance Filters

Airflow Performance

All Airflow Properties

Max Velocity:

fpm
to

fpm

1000 fpm 10000 fpm
Pressure Drop:

in. w.g.
to

in. w.g.

0.012 in w.g. @ 1000 fpm 0.7 in w.g. @ 1000 fpm
Begining Point of Water Penetration (fpm):

fpm
to

fpm

459 fpm 1250 fpm
Begining Point of Water Penetration (cfm):

cfm
to

cfm

3383 cfm 11550 cfm
Free Area:

%
to

%

24.88% 72.6%
Max Static Pressure

in. w.g.
1 in. w.g. 20 in. w.g.

Group Products

Product Type

Construction

Certification

Performance

Filters Applied

Clear All Product Type: Adjustable / Combination Louvers

Page 1 of 1 (27 Results, 16 Groups)

12 Per Page 24 Per Page 60 Per Page 120 Per Page

377

4" Deep Automatic Combination Louver - Intake or Discharge

377

1 in Group Compare

EA-444

4" Deep Non-Drainable Pin-Lock Blade Adjustable Louver

EA444, EA444M

Free Area %: 43%
Pressure Drop: .16 in. w.g. @ 1000 fpm
Water Penetration (fpm): 1044 (fpm)

2 in Group Compare

EA-444-70

6" Deep Non-Drainable Pin-Lock Blade Adjustable Louver

EA44470, EA44470M

Free Area %: 67%
Pressure Drop: .14 in. w.g. @ 1000 fpm
Water Penetration (fpm): 681 (fpm)

2 in Group Compare

EA-450-D

4" Deep Drainable Blade Adjustable Louver

EA450D, EA450DM

Free Area %: 44%
Pressure Drop: .14 in. w.g. @ 1000 fpm
Water Penetration (fpm): 974 (fpm)

2 in Group Compare

EA-480-D

4" Deep Drainable Combination Adjustable and Stationary Louver

EA480D, EA480DM

Free Area %: 52%
Pressure Drop: .14 in. w.g. @ 994 fpm
Water Penetration (fpm): 994 (fpm)

2 in Group Compare

EA-633

6" Deep Non-Drainable Blade Adjustable Louver

EA633, EA633M

Free Area %: 57%
Pressure Drop: .15 in. w.g. @ 1000 fpm
Water Penetration (fpm): 841 (fpm)

Some Items Currently Unavaliable

2 in Group Compare

EA-651-D

6" Deep Drainable Blade Adjustable Louver

EA651D, EA651DM

Free Area %: 54%
Pressure Drop: .145 in. w.g. @ 1000 fpm
Water Penetration (fpm): 880 (fpm)

2 in Group Compare

EA-677-E

6" Deep 35° Combination Stationary and Adjustable Exhaust Louver

EA677E

Free Area %: 52%

1 in Group Compare

EA-680-D

6" Deep 35° Fixed Drainable Front Blade and Adjustable Back Blade Louver

EA680D, EA680DC, EA680DM

Free Area %: 52%
Pressure Drop: .11 in. w.g. @ 1029 fpm
Water Penetration (fpm): 1029 (fpm)

3 in Group Compare

EA-680-DAF

6" Deep 35° Drain Blade and Adjustable Airfoil Blade Louver

EA680DAF, EA680DAFC, EA680DAFM

Free Area %: 52%
Pressure Drop: .14 in. w.g. @ 1026 fpm
Water Penetration (fpm): 1029 (fpm)

3 in Group Compare

EA-681

6" Deep 35° Fixed Blade and Adjustable Blade Combination Louver

EA681, EA681M

Free Area %: 52%
Pressure Drop: .145 in. w.g. @ 981 fpm
Water Penetration (fpm): 981 (fpm)

2 in Group Compare

FS-271

6" Deep Drainable Blade Adjustable Steel Louver

FS271

Free Area %: 53.13%
Pressure Drop: .18 in. w.g. @ 1200 fpm
Water Penetration (fpm): 859 (fpm)

1 in Group Compare

FS-280

7" Drainable Blade Combination Stationary and Adjustable Steel Louver

FS280

1 in Group Compare

FS-446-D

4" Deep 45° Blade Adjustable Steel Louver

FS446D

Free Area %: 44%
Pressure Drop: .16 in. w.g. @ 1050 fpm
Water Penetration (fpm): 1002 (fpm)

1 in Group Compare

FS-700

7" Deep Insulated Blade Combination Adjustable and Stationary Acoustical Steel Louver

FS700

Free Area %: 45.4%
Pressure Drop: .17 in. w.g. @ 1000 fpm
Water Penetration (fpm): 841 (fpm)

1 in Group Compare

IL-100

6" Deep Insulated Blade Adjustable Steel Louver

IL100

1 in Group Compare

Page 1 of 1 (27 Results, 16 Groups)

1

1

Are you looking for a

Sales Representative?

Find your local sales office right now!

Recently Viewed

Arrow United Industries manufactures HVAC solutions including AMCA-rated louvers, dampers, Life Safety products, and more. We also offer Severe Weather and Hurricane louvers! Choose Arrow United for your next project.

Contact Us

450 Riverside Drive
Wyalusing, PA 18853
p : (570) 746-1888
f : (570) 746-9286
Contact

Useful links

Products
Rep Locator
Contact
Sales Assistant

Subscribe to our newsletter!

Never Miss Anything From Us By Signing Up To Our Newsletter.

Mestek, Inc. © Copyright 2026. All Rights Reserved. | Purchase Terms | Terms & Conditions | Terms of Use

Send Us Feedback