pesales@pe-energy.com +1 ( 281 ) 310 – 0628

Air Sentry Desiccant Breathers

Z Series Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Whitmore®’s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

The innovative breather line integrates check valve technology in a desiccant breather and offers replacement cartridges, to significantly reduce maintenance costs.

The clear view 360 degree design makes it easy to inspect the saturation of the color-changing silica gel from a distance. The inert silica gel turns from gold to dark green to visually indicate the adsorption of moisture and confirm the breather is getting the job done.

Air Sentry products cover a wide range of application requirements. The line consists of Good, Better and Best options designed to meet your specific application and duration specification.

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

D-Series Desiccant Breathers

D Series Orange Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s D-Series Breathers are manufactured from top quality raw materials to meet the demands of today’s stationary fluid management applications.

These breathers from Whitmore Manufacturing utilize 100% silica gel that offers fast moisture adsorption.

The activated carbon used in every D Series Whitmore breather enhances their capability to handle fumes and odors.

All models of the D Series have a solid particle filtration system and are designed to provide an airflow rating of 20 cfm.

Moreover, they are compatible with a wide range of materials and are designed to offer impressive impact resistance.

The D Series has various Whitmore breather models including D-101, D-104, D-154, D-102, D-103, D-104, and D-108.

These models are ideal for various stationary applications including fluid reservoirs, oil storage tanks, pumps, and transformers.

ModelItem NumberHeightMounting ConnectionMaximum Adsorption Capacity
D-101095D1015 in 12.7 cm1″ slip fit8.6 fl oz 254 mL
D-154095D1545 in 12.7 cm1″ MNPT8.6 fl oz 254 mL
D-102095D1028 in 20.3 cm1″ slip fit16.56 fl oz 489 mL
D-103095D1038 in 20.3 cm1″ MNPT16.56 fl oz 489 mL
D-104095D1048 in 20.3 cm2″ MNPT16.56 fl oz 489 mL
D-108095D10810 in 25.4 cm2″ MNPT21.47 fl oz 634 mL

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

L-Series Desiccant Breathers

L Series Site Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s L-Series Desiccant Breathers utilize 100% silica gel, and they are specially engineered for a wide range of applications including vacuum lines, air exhaust lines, and marine vehicles.

Every L Series Whitmore breather features an in-line filter/dryer system that removes residues and water vapor from lines.

In addition, they are capable of filtering particles that are as small as 2 micron in size.

The special design of these breathers from Whitmore Manufacturing thus ensures that the system outputs clean and dry air.

Moreover, the L-143 Whitmore breather has a pressure rating of 60 psi, thus making it a suitable option for most of today’s industrial applications.

ModelItem NumberHeight inches (cm)Diameter inches (cm)Both Ends Connection
L-50095L503.25 (8.2)3 (7.6)½” FNPT
L-143095L1435.5 (14.0)3.25 (8.3)½” FNPT

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

M-Series Desiccant Breathers

as 2011 a 1 Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s M-Series Breathers are manufactured from heavy duty material and are suitable for a wide range of heavy duty applications including heavy mobile equipment and heavy duty off-road equipment.

The special design of every M-Series Whitmore breather makes them a suitable choice for environments with corrosive chemicals and high temperatures.

These breathers from Whitmore Manufacturing can be used in fluid reservoirs and fuel tanks to replace standard breather caps or vent tubes.

 The filters of every M-series Whitmore breather are capable of filtering particles that are as small as 2 micron.

 Moreover, the special design of these breathers prevents foaming or entry of fluids into the breather.

The M-Series has many models including M-103, M-104, M-105, M-106, and M-107.

ModelItem NumberHeightDiameterMounting Connection
M-103095M1036.6 in
16.8 cm
10 in
25.4 cm
1″ MNPT
M-104095M1046.6 in
16.8 cm
10 in
25.4 cm
2″ MNPT
M-105095M10512 in
30.5 cm
10 in
25.4 cm
1″ MNPT
M-106095M10612 in
30.5 cm
10 in
25.4 cm
2″ MNPT
M-107095M10713.5 in
34.3 cm
16 in
40.6 cm
3″ MNPT

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

R-Series Desiccant Breathers

R Series Top Picture Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s R-Series breathers are specially engineered for today’s heavy duty applications.

These Whitmore breathers are suitable for hydraulic fluid tanks and reservoirs of cranes, construction vehicles, farm implements, railroads, and off-road trucks.

The special design of each Whitmore breather makes them suitable for use in off-road, construction and other applications that may expose machinery to high levels of vibrations.

In addition, these heavy duty breathers from Whitmore manufacturing company are a suitable replacement for standard breather caps.

Some of the models in Air Sentry’s R-Series include R-101, R-102, R-111, R-121, R-122, and R-123.

ModelItem NumberHeightDiameterMounting Connection
R-101095R1016.5 in 16.5 cm5.2 in 13.2 cm1″ MNPT
R-102095R1029.5 in 24.1 cm5.2 in 13.2 cm1″ MNPT
R-111095R1116 in 15.2 cm5.2 in 13.2 cm1.125″ Female thread
R-121095R1216.5 in 16.5 cm5.2 in 13.2 cm2″ MNPT
R-122095R1229.5 in 24.1 cm5.2 in 13.2 cm2″ MNPT
R-123095R12212 in 30.5 cm5.2 in 13.2 cm2″ MNPT

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

XR-Series Desiccant Breathers

XR Series Top Picture Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

XR-Series Desiccant Breathers are specially engineered by Whitmore Manufacturing Rockwall Tx for industries that demand high tolerance to harsh conditions.

Their special design makes them ideal for applications that expose systems to moisture, dust and high levels of vibrations.

These Whitmore breathers are suitable for use in wind mills, wind power systems, mobile equipment, and mining equipment.

The presence of check valves on the top cap of every XR-Series Whitmore breather prevents entry of solid particles and moisture.

In addition, they come with a metal reinforced base that is capable of withstanding high levels of vibrations.

Air Sentry’s XR-Series has many models including XR-108, XR-501, XR-502, XR-508, XR-521, and XR-522.

ModelItem NumberCheck Valve PSI In/OutHeightDiameter
XR-108095XR1080.1 2.014 in 35.6 cm5.2 in 13.2 cm
XR-501095XR5010.1 0.18.5 in 21.6 cm5.2 in 13.2 cm
XR-502095XR5020.1 0.111.5 in 29.2 cm5.2 in 13.2 cm
XR-508095XR5080.1 0.114 in 35.6 cm5.2 in 13.2 cm
XR-521095XR5210.1 0.18.5 in 21.6 cm5.2 in 13.2 cm
XR-522095XR5220.1 0.111.5 in 29.2 cm5.2 in 13.2 cm

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

X-Series Desiccant Breathers

AS 2022 Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s X-Series Breathers are specially designed for applications in environments that have high levels of dust and humidity.

The design of this series of breathers from Whitmore Manufacturing makes them ideal for paper mills, mine quarries, steam cleaning rooms, and other high humidity/high dust applications.

Each X-Series Whitmore breather in this series features a reusable top cap and two check valves that help to extend the life of the desiccant.

In addition, just like other breathers produced by Whitmore Manufacturing Company, this product is designed to allow ease of maintenance.

Some of the breathers in this series include X-100, X-501, X-502, X-503, X-505, X-521, and X-522.

ModelItem NumberCheck Valve PSI In/OutHeight inches (cm)Diameter inches (cm)
X-50095X500.3 / 0.35 (12.7)3 (7.6)
X-100095X1000.3 / 0.36.25 (15.9)3.25 (8.3)
X-501095X5010.1/0.17 (17.8)5 (12.7)
X-502095X5020.1/0.110 (25.4)5 (12.7)
X-503095X5030.1/0.17 (17.8)5 (12.7)
X-505095X5050.1/0.110 (25.4)5 (12.7)
X-521095X5210.1/0.17 (17.8)5 (12.7)
X-522095X5220.1/0.110 (25.4)5 (12.7)

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

Z-Series Desiccant Breathers

Z Series Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s Z-Series Breathers are specially engineered for applications with space constraints.

The design of every Z-Series Whitmore breather makes them suitable for applications that have low airflow requirements.

This series of breathers from Whitmore Manufacturing Company are widely used in drums, gearboxes, totes, small oil containers and other limited space applications.

Some of the models in this series of Whitmore breathers include Z-131, Z-132, Z-133, Z-134, and Z-135.

ModelItem NumberHeightDiameterMaximum Adsorption Capacity
Z-131095Z1312 in 5.1 cm2 in 5.1 cm0.49 fl oz 14 mL
Z-132095Z1323.25 in 8.3 cm2 in 5.1 cm0.92 fl oz 27 mL
Z-133095Z1332 in 5.1 cm3.25 in 8.3 cm1.84 fl oz 54 mL
Z-134095Z1343.25 in 8.3 cm3.25 in 8.3 cm3.06 fl oz 90 mL
Z-135095Z1355.5 in 14.0 cm3.25 in 8.3 cm4.91 fl oz 145 mL

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

Guardian® Series Desiccant Breathers

guardian family white Whitmore®'s Desiccant Breather line, Air Sentry®, sets the standard for contamination control. These breathers have state-of-the-art features that reduce particulate and moisture contamination, keeping your equipment and fluids lasting longer.

Air Sentry’s Guardian-Series breathers are specially engineered from a highly resistant material enabling them to deliver high resistance to impact.

The special construction of each Guardian-Series Whitmore breather also enables them to withstand exposure to chemicals.

Unlike most breathers manufactured by Whitmore Manufacturing, models of the Guardian-Series are suitable for diesel fuel applications.

The modular construction of models in this series of  breathers enables users to customize their products depending on the needs of their applications.

Some of the add-on features that are available for these models include shield wash-down caps, high-capacity air filters, integrated compound vacuum/pressure gauges, and isolation check valves.

ModelItem NumberHeightDiameterMaximum Adsorption Capacity
G5S1N095G5S1N9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1NC095G5S1NC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1NG095G5S1NG9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1NGC095G5S1NGC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S2N095G5S2N9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S2NC095G5S2NC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S2NG095G5S2NG9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S2NGC095G5S2NGC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1B095G5S1B9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1BC095G5S1BC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1BG095G5S1BG9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G5S1BGC095G5S1BGC9 in 22.3 cm5.125 in9.2 fl oz 272 mL
G8S1N095G8S1N12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1NC095G8S1NC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1NG095G8S1NG12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1NGC095G8S1NGC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S2N095G8S2N12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S2NC095G8S2NC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S2NG095G8S2NG12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S2NGC095G8S2NGC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1B095G8S1B12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1BC095G8S1BC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1BG095G8S1BG12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G8S1BGC095G8S1BGC12 in 30.5 cm5.125 in17.2 fl oz 508.7 mL
G12S1N095G12S1N16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1NC095G12S1NC16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1NG095G12S1NG16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1NGC095G12S1NGC16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S2N095G12S2N16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S2NC095G12S2NC16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S2NG095G12S2NG16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S2NGC095G12S2NGC16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1B095G12S1B16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1BC095G12S1BC16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1BG095G12S1BG16 in 40.6 cm5.125 in27.6 fl oz 816 mL
G12S1BGC095G12S1BGC16 in 40.6 cm5.125 in27.6 fl oz 816 mL

Replacement Cartridges

ModelItem NumberHeightDiameterMaximum Adsorption Capacity
GRC5ACC095GRC5ACC5 in5 inn/a
GRC5M095GRC5M5 in5 in4.6 fl oz 136 mL
GRC5MC095GRC5MC5 in5 in4.6 fl oz 136 mL
GRC5S095GRC5S5 in5 in9.2 fl oz 272 mL
GRC5SC095GRC5SC5 in5 in9.2 fl oz 272 mL
GRC8S095GRC8S8 in5 in17.2 fl oz 508.7 mL
GRC8SC095GRC8SC8 in5 in17.2 fl oz 508.7 mL
GRC12S095GRC12S12 in5 in27.6 fl oz 816 mL
GRC12SC095GRC12SC12 in5 in27.6 fl oz 816 mL

Contact Us For A Custom Quote

We are an authorized Whitmore distributor
Request a Quote

See all Whitmore products.