Refrigerated Air Dryer Filter Kit Configuration

Compressed Air Filter Kits

For Desiccant & Refrigerated Air Dyrers
Matched to Air Dryers in Flow,
Performance & Connection Size

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Altec AIR has created these Complete Compressed Air Filter Kits to take the guesswork out of which Filters you need to protect your specific Air Dryer, as well as any downstream processes, from contaminants found in the compressed air supply. These Kits are matched to your Refrigerated and Desiccant Air Dryers in both Flow, Performance & Connection Size ensuring their protection matches the requirements of the incoming compressed air as well as the resulting outgoing Clean, Dry Air.

HR Series Air Dryer Filter Kit Configuration

These Kits come with Filter Elements installed and all of the hardware necessary for joining Filters together.

Just find the Filter Kit Part Number that matches your Air Dryer and necessary level of protection. It’s just that Simple!

See the A Series and A-PRO Series pages for Dimension & Element Class details.

AR10 Series Kits for Refrigerated Air Dryers - (1) Pre-Filter **
AR10 Sereies Refrigerated Air Dryer Filter Kit Configuration
  • Kits Include:
    • (1) X1 Grade - 1 micron Coalescing Filter
  • Rated ISO 8573-1 Class 3.4.3
  • Connection Sizes ranging from 1/2" to 3" NPT and 4" Flanged
  • Differential Pressure Indicators -
    • Pop-up Indicators on AR10-0010 & AR10-0025
    • Gauge Indicators on AR10-0040 thru AR10-2000
  • Automatic Float Drains

**The AR10 Series Filter Kits DO NOT meet the minimum requirement for Extended Warranty.
Filter Kit Use with Air Dryer Connection Size
(NPT)		 Replacement Filter Elements
AR10-0020 UA20A 1/2" ER10-0020
AR10-0025 RAD-0025A
UA25A		 ER10-0025
AR10-0040 RAD-0040A
UA40A		 3/4" ER10-0040
AR10-0055 RAD-0055A
UA55A		 ER10-0055
AR10-0075 RAD-0075A
UA75A		 1" ER10-0075
AR10-0100 RAD-0100A
UA100A		 ER10-0100
AR10-0125 UA125A ER10-0125
AR10-0150 RAD-0150A
UA150A		 1-1/2" ER10-0150
AR10-0200 RAD-0200A
UA200A		 ER10-0200
AR10-0250 RAD-0250A
UA250A		 ER10-0250
AR10-0300 RAD-0300A
UA300A		 2" ER10-0300
AR10-0400 UA400A
DX400A		 ER10-0400
AR10-0500 UA500A
DX500A		 ER10-0500
AR10-0625 UA625A
DX625A		 ER10-0625
AR10-0800 UA800A
DX800A		 3" ER10-0800
AR10-1000 UA1000A
DX1000A		 ER10-1000
AR10-1200 UA1200A
DX1200A		 ER10-1200
AR10-1600 UA1600A
DX1600A		 4" Flange ER10-1600
AR10-2000 UA2000A
DX2000A		 ER10-2000

AR11 Series Kits for Refrigerated Air Dryers - (1) Pre-Filter & (1) After-Filter *
AR11 Sereies Refrigerated Air Dryer Filter Kit Configuration
  • Kits Include:
    • (1) X1 Grade - 1 micron Coalescing Pre-Filter
    • (1) XA Grade - 0.01 micron Coalescing After-Filter
  • Rated ISO 8573-1 Class 1.4.1
  • Connection Sizes ranging from 1/2" to 3" NPT and 4" Flanged
  • Differential Pressure Indicators -
    • Pop-up Indicators on AR11-0010 & AR11-0025
    • Gauge Indicators on AR11-0040 thru AR11-2000
  • Automatic Float Drains

*These Kits meet the minimum requirement for Extended Warranty.
Filter Kit Use with Air Dryer Connection Size
(NPT)		 Replacement Filter Elements
AR11-0020 UA20A 1/2" ER11-0020
AR11-0025 RAD-0025A
UA25A		 ER11-0025
AR11-0040 RAD-0040A
UA40A		 3/4" ER11-0040
AR11-0055 RAD-0055A
UA55A		 ER11-0055
AR11-0075 RAD-0075A
UA75A		 1" ER11-0075
AR11-0100 RAD-0100A
UA100A		 ER11-0100
AR11-0125 UA125A ER11-0125
AR11-0150 RAD-0150A
UA150A		 1-1/2" ER11-0150
AR11-0200 RAD-0200A
UA200A		 ER11-0200
AR11-0250 RAD-0250A
UA250A		 ER11-0250
AR11-0300 RAD-0300A
UA300A		 2" ER11-0300
AR11-0400 UA400A
DX400A		 ER11-0400
AR11-0500 UA500A
DX500A		 ER11-0500
AR11-0625 UA625A
DX625A		 ER11-0625
AR11-0800 UA800A
DX800A		 3" ER11-0800
AR11-1000 UA1000A
DX1000A		 ER11-1000
AR11-1200 UA1200A
DX1200A		 ER11-1200
AR11-1600 UA1600A
DX1600A		 4" Flange ER11-1600
AR11-2000 UA2000A
DX2000A		 ER11-2000

AR21 Series Kits for Refrigerated Air Dryers - (2) Pre-Filters & (1) After-Filter *
AR21 Sereies Refrigerated Air Dryer Filter Kit Configuration
  • Kits Include:
    • (1) X5 Grade - 5 micron Coalescing Pre-Filter
    • (1) X1 Grade - 1 micron Coalescing Pre-Filter
    • (1) XA Grade - 0.01 micron Coalescing After-Filter
  • Rated ISO 8573-1 Class 1.4.1
  • Connection Sizes ranging from 1/2" to 3" NPT and 4" Flanged
  • Differential Pressure Indicators -
    • Pop-up Indicators on AR21-0010 & AR21-0025
    • Gauge Indicators on AR21-0040 thru AR21-2000
  • Automatic Float Drains

*These Kits meet the minimum requirement for Extended Warranty.
Filter Kit Use with Air Dryer Connection Size
(NPT)		 Replacement Filter Elements
AR21-0020 UA20A 1/2" ER21-0020
AR21-0025 RAD-0025A
UA25A		 ER21-0025
AR21-0040 RAD-0040A
UA40A		 3/4" ER21-0040
AR21-0055 RAD-0055A
UA55A		 ER21-0055
AR21-0075 RAD-0075A
UA75A		 1" ER21-0075
AR21-0100 RAD-0100A
UA100A		 ER21-0100
AR21-0125 UA125A ER21-0125
AR21-0150 RAD-0150A
UA150A		 1-1/2" ER21-0150
AR21-0200 RAD-0200A
UA200A		 ER21-0200
AR21-0250 RAD-0250A
UA250A		 ER21-0250
AR21-0300 RAD-0300A
UA300A		 2" ER21-0300
AR21-0400 UA400A
DX400A		 ER21-0400
AR21-0500 UA500A
DX500A		 ER21-0500
AR21-0625 UA625A
DX625A		 ER21-0625
AR21-0800 UA800A
DX800A		 3" ER21-0800
AR21-1000 UA1000A
DX1000A		 ER21-1000
AR21-1200 UA1200A
DX1200A		 ER21-1200
AR21-1600 UA1600A
DX1600A		 4" Flange ER21-1600
AR21-2000 UA2000A
DX2000A		 ER21-2000
AD11 Series Kits for Desiccant Air Dryers - (1) Pre-Filter & (1) After-Filter *

AD11 Series Desiccant Air Dryer Filter Kit Configuration

(HR Series Air Dryer shown for reference ONLY)

  • Kits Include:
    • (1) XA Grade - 0.01 micron Coalescing Pre-Filter
    • (1) X1 Grade - 1 micron Particulate After-Filter
  • Rated ISO 8573-1 Class 3.2.1**
  • Differential Pressure Indicators -
    • Pop-up Indicators on AD11-HR14 thru AD11-HR57
  • Float Drains -
    • Automatic Float Drains on Coalescing Pre-Filters
    • Manual Drains on Particulate After-Filters

**HR Series Desiccant Air Dryers can be rated for
ISO 8573-1 Class 3.1.1. Contact Altec AIR for details.
Filter Kit Use with Air Dryer Connection Size
(NPT)		 Regulator Included Replacement Filter Elements
AD11-MDH14 MDH1 - MDH4 1/8" ED11-MDH14
AD11-MDH14R ✓
AD11-MDH56 MDH5 - MDH6 1/4" ED11-MDH56
AD11-MDH56R ✓
AD11-VSA14 VSA1 - VSA4 ED11-VSA14
AD11-VSA14R ✓
AD11-HR14 HR1 - HR4 3/8" ED11-HR14
AD11-HR14R ✓
AD11-HR57 HR5 - HR7 1/2" ED11-HR57
AD11-HR57R ✓

AD21 Series Kits for Desiccant Air Dryers - (2) Pre-Filters & (1) After-Filter *

AD21 Series Desiccant Air Dryer Filter Kit Configuration

(HR Series Air Dryer shown for reference ONLY)

  • Kits Include:
    • (1) X5 Grade - 5 micron Coalescing Pre-Filter
    • (1) XA Grade - 0.01 micron Coalescing Pre-Filter
    • (1) X1 Grade - 1 micron Particulate After-Filter
  • Rated ISO 8573-1 Class 3.2.1**
  • Differential Pressure Indicators -
    • Pop-up Indicators on AD21-HR14 thru AD21-HR57
  • Float Drains -
    • Automatic Float Drains on Coalescing Pre-Filters
    • Manual Drains on Particulate After-Filters

**HR Series Desiccant Air Dryers can be rated for
ISO 8573-1 Class 3.1.1. Contact Altec AIR for details.
Filter Kit Use with Air Dryer Connection Size
(NPT)		 Regulator Included Replacement Filter Elements
AD21-MDH14 MDH1 - MDH4 1/8" ED21-MDH14
AD21-MDH14-R ✓
AD21-MDH56 MDH5 - MDH6 1/4" ED21-MDH56
AD21-MDH56-R ✓
AD21-VSA14 VSA1 - VSA4 ED21-VSA14
AD21-VSA14-R ✓
AD21-HR14 HR1 - HR4 3/8" ED21-HR14
AD21-HR14-R ✓
AD21-HR57 HR5 - HR7 1/2" ED21-HR57
AD21-HR57-R ✓