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  • Quick ReferenceExpand
    • The Role of Hydraulic Filters …Expand
      • Return Line Hydraulic Filtration
      • Pressure Filters for Peak System Performance
      • The Importance of Suction Strainers
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      • What is Pressure Drop or Delta P?
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“Replacement for RMF TDB121R Desiccant Air Breather” has been added to your cart. View cart
  • Replacement for Air Sentry R-122 Desiccant Air Breather

    Replacement for Air Sentry R-122 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-122 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry R-102 Desiccant Air Breather

    Replacement for Air Sentry R-102 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-102 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry M-104 Desiccant Air Breather

    Replacement for Air Sentry M-104 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry M-104 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry M-103 Desiccant Air Breather

    Replacement for Air Sentry M-103 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry M-103 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry D-104 Desiccant Air Breather

    Replacement for Air Sentry D-104 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry D-104 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry D-102 Desiccant Air Breather

    Replacement for Air Sentry D-102 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry D-102 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry A-352 Desiccant Air Breather

    Replacement for Air Sentry A-352 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry A-352 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry A-346 Desiccant Air Breather

    Replacement for Air Sentry A-346 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry A-346 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry A-344 Desiccant Air Breather

    Replacement for Air Sentry A-344 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry A-344 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry A-342 Desiccant Air Breather

    Replacement for Air Sentry A-342 Desiccant Air Breather

    $188.99

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry A-342 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for RMF TDB121RV Desiccant Air Breather

    Replacement for RMF TDB121RV Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the RMF TDB121RV desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for RMF TDB121R Desiccant Air Breather

    Replacement for RMF TDB121R Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the RMF TDB121R desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for RMF KL121R Desiccant Air Breather

    Replacement for RMF KL121R Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the RMF KL121R desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Hydac BDE 200 Desiccant Air Breather

    Replacement for Hydac BDE 200 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Hydac BDE 200 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for HY-PRO HPBCR-101 Desiccant Air Breather

    Replacement for HY-PRO HPBCR-101 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the HY-PRO HPBCR-101 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry R-121 Desiccant Air Breather

    Replacement for Air Sentry R-121 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-121 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry R-111 Desiccant Air Breather

    Replacement for Air Sentry R-111 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-111 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry R-101 Desiccant Air Breather

    Replacement for Air Sentry R-101 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-101 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry R-100 Desiccant Air Breather

    Replacement for Air Sentry R-100 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry R-100 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry G5S1N Desiccant Air Breather

    Replacement for Air Sentry G5S1N Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry G5S1N desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry D-154 Desiccant Air Breather

    Replacement for Air Sentry D-154 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry D-154 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Replacement for Air Sentry D-100 Desiccant Air Breather

    Replacement for Air Sentry D-100 Desiccant Air Breather

    $169.00

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry D-100 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Desiccant Air Breather from SONA

    Replacement for Air Sentry Z-133 Desiccant Air Breather

    $90.40

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry Z-133 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Desiccant Air Breather from SONA

    Replacement for Air Sentry Z-134 Desiccant Air Breather

    $90.40

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry Z-134 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
  • Desiccant Air Breather from SONA

    Replacement for Air Sentry Z-135 Desiccant Air Breather

    $90.40

    Engineered filtration that provides OEM reliability—at an excellent value.

    Proudly Made in America, SONA’s direct replacement for the Air Sentry Z-135 desiccant air breather offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

    Add to cartLoading Done
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  • 2026 Hydraulic Filter Element Cross Reference
  • 2026 Spin-On Filter Cross Reference
  • 2026 Desiccant Air Breathers
  • 2025 Dental Equipment Filters
  • 2025 Coalescer and Separator Filters
  • 2025 Suction Strainer Filters Cross Reference
  • 2025 EDM Filters Cross Reference
  • 2025 Air Intake Filters
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Source One N.A., LLC

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(888) 650-3320

© 2016 - 2025 Source One N.A. LLC;  All rights reserved
All Trademarks are the property of their respective owners.

Review Cart

  • × Replacement for Hy-Pro HP63L166MV Hydraulic Filter ElementReplacement for Hy-Pro HP63L166MV Hydraulic Filter Element 1 × $68.22
  • × Replacement for Kaydon 600121 Separator FilterReplacement for Kaydon 600121 Separator Filter 1 × $55.97
  • × Replacement for OMT CR200H Hydraulic Filter ElementReplacement for OMT CR200H Hydraulic Filter Element 1 × $62.73
  • × A variety of Hydraulic FiltersReplacement for Hilco PH72001CGV Filter Element 1 × $176.55
  • × Replacement for Wix 557811 Hydraulic Filter ElementReplacement for Wix 557811 Hydraulic Filter Element 1 × $43.34
  • × Replacement for Airfil AFKOVL646 Hydraulic Filter ElementReplacement for Airfil AFKOVL646 Hydraulic Filter Element 1 × $62.56
  • × Replacement for Kaydon 601164 Separator FilterReplacement for Kaydon 601164 Separator Filter 1 × $50.29
  • × Replacement for Hy-Pro HP81L815MV Hydraulic Filter ElementReplacement for Hy-Pro HP81L815MV Hydraulic Filter Element 1 × $81.38
  • × Replacement for Hy-Pro HP65L266MB Hydraulic Filter ElementReplacement for Hy-Pro HP65L266MB Hydraulic Filter Element 1 × $173.18
  • × Replacement for MP Filtri MP3211 Hydraulic Filter ElementReplacement for MP Filtri MP3211 Hydraulic Filter Element 1 × $246.93
  • × Replacement for Rexroth 804521P10S000M Spin-On FilterReplacement for Rexroth 804521P10S000M Spin-On Filter 1 × $23.02
  • × Replacement for Filtermart 281248 Hydraulic Filter ElementReplacement for Filtermart 281248 Hydraulic Filter Element 1 × $73.09
  • × Replacement for Kaydon CI3416F20 Separator FilterReplacement for Kaydon CI3416F20 Separator Filter 1 × $45.59
  • × Replacement for Parker G01974 Hydraulic Filter ElementReplacement for Parker G01974 Hydraulic Filter Element 1 × $36.92
  • × Desiccant Air Breather from SONAReplacement for Des Case DC-4 Desiccant Air Breather 1 × $117.04
  • × Replacement for PTI PG030DH Hydraulic Filter ElementReplacement for PTI PG030DH Hydraulic Filter Element 1 × $32.85
  • × Replacement for Airfil AFKOVL8525 Hydraulic Filter ElementReplacement for Airfil AFKOVL8525 Hydraulic Filter Element 1 × $32.85
  • × Replacement for Hastings HF904 Spin-On FilterReplacement for Hastings HF904 Spin-On Filter 1 × $38.62
  • × Replacement for Finn FC7102F003BS Hydraulic Filter ElementReplacement for Finn FC7102F003BS Hydraulic Filter Element 1 × $36.81
  • × Replacement for Norman 30MF210M Hydraulic Filter ElementReplacement for Norman 30MF210M Hydraulic Filter Element 1 × $38.36
  • × Replacement for Hilco PL718-05-04ZNPO High-Flow ElementReplacement for Hilco PL718-05-04ZNPO High-Flow Element 1 × $28.67
  • × Replacement for Hilco 383003039C Hydraulic Filter ElementReplacement for Hilco 383003039C Hydraulic Filter Element 1 × $38.36
  • × Replacement for Kaydon A870A Separator FilterReplacement for Kaydon A870A Separator Filter 1 × $50.29
  • × SONA replacement element for High-Flow Housings - 3.5 inch ID - 3 Micron MicroglassSONA replacement element for High-Flow Housings - 3.5 inch ID - 3 Micron Microglass 1 × $62.13
  • × Replacement for Donaldson 47253 Hydraulic Filter ElementReplacement for Donaldson 47253 Hydraulic Filter Element 1 × $32.85
  • × Replacement for RMF TDB121R Desiccant Air BreatherReplacement for RMF TDB121R Desiccant Air Breather 1 × $169.00

Subtotal: $1,877.60

View cartCheckout

  • Products
    • Hydraulic Filter Elements
    • Spin-On Filters
    • Desiccant Air Breathers
    • Dental Equipment Filters
    • Dust Collector Filters
    • Coalescer and Separator Filters
    • High-Flow Elements
    • EDM Filters
  • Cross by Brand
    • Pall Replacements
    • Parker Replacements
    • Hydac Replacements
    • Donaldson Replacements
    • WIX Replacements
    • Behringer Replacements
    • Zinga Replacements
    • Air Sentry Replacements
    • Des Case Replacements
    • More…
  • Quick Reference
    • The Role of Hydraulic Filters …
      • Return Line Hydraulic Filtration
      • Pressure Filters for Peak System Performance
      • The Importance of Suction Strainers
      • What is a Micron Rating?
      • What is Pressure Drop or Delta P?
      • What is Filter Efficiency?
      • What is Dirt-Holding Capacity?
      • What is ISO 16889?
    • FAQs
  • Contact Us
  • SONA Info
    • About Us
    • Your Privacy…
    • Shipping
    • Returns
    • Warranty