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  • Catalogs
  • Composite PTC
    • Standard
      • Male Straight Connector MTC
      • Male Straight Round Connector MTCR
      • Female Straight Connector MTCF
      • Female Straight Bulkhead Connector MTMF
      • 90° Male Elbow Connector MTL
      • 90° Male Long Elbow Connector MTLL
      • 90° Male Elbow Stop Fitting Connector MTSL
      • 90° Male Short Elbow Connector MTLS
      • 45° Male Elbow Connector MT45L
      • 90° Female Elbow Connector MTLF
      • 90° Male Swivel Elbow Banjo MTH
      • 90° Female/Male Stackable Elbow Connector MTHF
      • Male Double Banjo MT2H
      • Male Triple Banjo MT3H
      • Female Branch T Connector MTBF
      • Male Branch T Connector MTB
      • Male Run T Connector MTD
      • Female Run T Connector MTDF
      • Male Y Connector MTX
      • 90° Elbow Union MTV
      • Straight Union MTU
      • 45° Elbow Union MT45U
      • Straight Bulkhead Union MTM
      • Elbow Bulkhead Union MTLM
      • T Union MTE
      • Y Union MTY
      • Cross Union MTZA
      • Manifold Union MTKG
      • Male Branch Manifold Connector MTKD
      • Straight Plug-In Reducer MTGJ
      • Tube Splicer MTIGJ
      • Plug-In Elbow MTLGJ
      • Plug-In Y MTYGJ
      • Plug MTPP
      • Push Cap MTCP
      • 90° Male Elbow Speed Control Meter Out MSC
      • 90° Male Elbow Speed Control Meter In MSC-IN
      • Male Elbow Speed Control MSCL
      • Inline Speed Control Union MSCA
      • 3 Way Hand Valve Union MHVU
      • Male 3 Way Hand Valve Connector MHVS
      • Male Check Valve Connector MCVC
      • Check Valve Male Connector MCVB
      • Check Valve Union MCVU
      • Male Stop Fitting Connector MTSC
    • Compact
      • Male Straight Connector MTC
      • 90° Male Elbow Connector MTL
      • Male Branch T Connector MTB
      • Male Run T Connector MTD
      • Straight Union MTU
      • 90° Elbow Union MTV
      • T Union/Reducer MTE
      • Y Union MTY
  • Stainless Steel PTC
    • Male Straight Connector SMTC
    • 90° Male Elbow Connector SMTL
    • Female Straight Connector SMTCF
    • Female Straight Bulkhead Connector SMTMF
    • Male Straight Round Connector SMTCR
    • Straight Union SMTU
    • Male Branch T Connector SMTB
    • 90° Elbow Union SMTV
    • T Union/Reducer SMTE
    • 90° Male Elbow Speed Control Meter Out SMSC
    • Inline Speed Control Union SMSCA
    • Y Union SMTY
    • Cross Union SMTZA
    • Manifold Union SMTKG
    • Straight Plug-In Expander SMTAJ
    • Plastic Plug SMTPP
    • Push to Connect Push Cap SMTCP
    • Straight Bulkhead Union SMTM
    • Straight Plug-In Reducer SMTGJ
    • Elbow Speed Control Male-Female SMFSC
    • Check Valve Union SMCVU
    • Check Valve Male SMCVC
    • Check Valve Male SMCVB
    • Male Y Connector SMTX
    • 90° Elbow Connector SMTLF
    • Male Run T Connector SMTD
    • 90° Bulkhead Elbow Union SMTMV
  • Nickel-Plated Brass PTC
    • Male Straight Connector BMTC
    • 90° Male Elbow Connector BMTL
    • Female Straight Connector BMTCF
    • Straight Plug-In Reducer BMTGJ
    • Straight Union BMTU
    • T Union/Reducer BMTE
    • Male Branch T Connector BMTB
    • 90° Elbow Union BMTV
    • Y Union BMTY
    • Male Run T Connector BMTD
    • Elbow Speed Control Male-Female MFSC
  • Standard Barb & Pipe
    • Brass
      • Barb
      • Pipe
      • BSPT(R) & BSPP(G) Thread
    • Stainless Steel
      • Barb
      • Pipe
      • BSPP(G) Thread
  • Miniature Barb & Pipe
    • Brass
      • Barb
      • Pipe
    • Stainless Steel
      • Barb
      • Pipe
  • Mufflers & Silencers
    • Mufflers
    • Silencers
  • Valves
    • Air Pilot Valves
    • Control Valves
    • Electronic Drain Valves
    • Foot Pedals
      • Foot Pedals
      • Accessories
    • Mechanical Valves
      • Button Valves
      • Direct Plunger Operated Valves
      • Hand Lever Valves
      • Push-Pull Valves
      • Roller Type Valves
      • Selector Type Valves
      • Toggle Valves
      • Twist Lever Type Valves
      • Accessories
    • Solenoid Valves
      • Solenoid Valves
      • Coils
      • Accessories
    • Valve Manifolds
      • Valve Manifolds
      • Accessories
  • Inline Manifolds
    • NPT Thread
      • 1/8" Inlet
      • 1/4" Inlet
      • 3/8" Inlet
      • 1/2" Inlet
      • 3/4" Inlet
      • 1" Inlet
    • BSPT(R) Thread
      • 1/4" Inlet
      • 3/8" Inlet
      • 1/2" Inlet
    • BSPP(G) Thread
      • 1/4" Inlet
      • 3/8" Inlet
      • 1/2" Inlet
    • Wide Manifolds
      • 1/4" Inlet
      • 3/8" Inlet
      • 1/2" Inlet
      • 3/4" Inlet
    • 90° Manifolds
      • 1/4" Inlet
      • 3/8" Inlet
      • 1/2" Inlet
    • Brass Manifolds
    • Stainless Steel Manifolds
  • FRL
    • Filters
      • Auto-Drain
      • Semi-Auto
    • Regulators
      • Auto-Drain
      • Semi-Auto
    • Lubricators
      • Semi-Auto
    • Combined
      • Auto-Drain
      • Semi-Auto
    • Shut-off Valves
    • Soft Start Valves
    • Accessories
  • Tubing
    • Imperial OD
      • 1/8" OD
      • 5/32" OD
      • 3/16" OD
      • 1/4" OD
      • 3/8" OD
      • 1/2" OD
    • Metric OD
      • 6mm OD
      • 8mm OD
      • 10mm OD
      • 12mm OD
      • 14mm OD
      • 16mm OD
    • Recoil Hoses
    • Accessories
  • Other Fittings
    • Hose Accessories
    • Interchange Quick Couplers
    • Interchange Quick Nipples
    • Plastic Barbs
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    MettleAir Portal
    • Catalogs
    • Composite PTC
      • Standard
        • Male Straight Connector MTC
        • Male Straight Round Connector MTCR
        • Female Straight Connector MTCF
        • Female Straight Bulkhead Connector MTMF
        • 90° Male Elbow Connector MTL
        • 90° Male Long Elbow Connector MTLL
        • 90° Male Elbow Stop Fitting Connector MTSL
        • 90° Male Short Elbow Connector MTLS
        • 45° Male Elbow Connector MT45L
        • 90° Female Elbow Connector MTLF
        • 90° Male Swivel Elbow Banjo MTH
        • 90° Female/Male Stackable Elbow Connector MTHF
        • Male Double Banjo MT2H
        • Male Triple Banjo MT3H
        • Female Branch T Connector MTBF
        • Male Branch T Connector MTB
        • Male Run T Connector MTD
        • Female Run T Connector MTDF
        • Male Y Connector MTX
        • 90° Elbow Union MTV
        • Straight Union MTU
        • 45° Elbow Union MT45U
        • Straight Bulkhead Union MTM
        • Elbow Bulkhead Union MTLM
        • T Union MTE
        • Y Union MTY
        • Cross Union MTZA
        • Manifold Union MTKG
        • Male Branch Manifold Connector MTKD
        • Straight Plug-In Reducer MTGJ
        • Tube Splicer MTIGJ
        • Plug-In Elbow MTLGJ
        • Plug-In Y MTYGJ
        • Plug MTPP
        • Push Cap MTCP
        • 90° Male Elbow Speed Control Meter Out MSC
        • 90° Male Elbow Speed Control Meter In MSC-IN
        • Male Elbow Speed Control MSCL
        • Inline Speed Control Union MSCA
        • 3 Way Hand Valve Union MHVU
        • Male 3 Way Hand Valve Connector MHVS
        • Male Check Valve Connector MCVC
        • Check Valve Male Connector MCVB
        • Check Valve Union MCVU
        • Male Stop Fitting Connector MTSC
      • Compact
        • Male Straight Connector MTC
        • 90° Male Elbow Connector MTL
        • Male Branch T Connector MTB
        • Male Run T Connector MTD
        • Straight Union MTU
        • 90° Elbow Union MTV
        • T Union/Reducer MTE
        • Y Union MTY
    • Stainless Steel PTC
      • Male Straight Connector SMTC
      • 90° Male Elbow Connector SMTL
      • Female Straight Connector SMTCF
      • Female Straight Bulkhead Connector SMTMF
      • Male Straight Round Connector SMTCR
      • Straight Union SMTU
      • Male Branch T Connector SMTB
      • 90° Elbow Union SMTV
      • T Union/Reducer SMTE
      • 90° Male Elbow Speed Control Meter Out SMSC
      • Inline Speed Control Union SMSCA
      • Y Union SMTY
      • Cross Union SMTZA
      • Manifold Union SMTKG
      • Straight Plug-In Expander SMTAJ
      • Plastic Plug SMTPP
      • Push to Connect Push Cap SMTCP
      • Straight Bulkhead Union SMTM
      • Straight Plug-In Reducer SMTGJ
      • Elbow Speed Control Male-Female SMFSC
      • Check Valve Union SMCVU
      • Check Valve Male SMCVC
      • Check Valve Male SMCVB
      • Male Y Connector SMTX
      • 90° Elbow Connector SMTLF
      • Male Run T Connector SMTD
      • 90° Bulkhead Elbow Union SMTMV
    • Nickel-Plated Brass PTC
      • Male Straight Connector BMTC
      • 90° Male Elbow Connector BMTL
      • Female Straight Connector BMTCF
      • Straight Plug-In Reducer BMTGJ
      • Straight Union BMTU
      • T Union/Reducer BMTE
      • Male Branch T Connector BMTB
      • 90° Elbow Union BMTV
      • Y Union BMTY
      • Male Run T Connector BMTD
      • Elbow Speed Control Male-Female MFSC
    • Standard Barb & Pipe
      • Brass
        • Barb
        • Pipe
        • BSPT(R) & BSPP(G) Thread
      • Stainless Steel
        • Barb
        • Pipe
        • BSPP(G) Thread
    • Miniature Barb & Pipe
      • Brass
        • Barb
        • Pipe
      • Stainless Steel
        • Barb
        • Pipe
    • Mufflers & Silencers
      • Mufflers
      • Silencers
    • Valves
      • Air Pilot Valves
      • Control Valves
      • Electronic Drain Valves
      • Foot Pedals
        • Foot Pedals
        • Accessories
      • Mechanical Valves
        • Button Valves
        • Direct Plunger Operated Valves
        • Hand Lever Valves
        • Push-Pull Valves
        • Roller Type Valves
        • Selector Type Valves
        • Toggle Valves
        • Twist Lever Type Valves
        • Accessories
      • Solenoid Valves
        • Solenoid Valves
        • Coils
        • Accessories
      • Valve Manifolds
        • Valve Manifolds
        • Accessories
    • Inline Manifolds
      • NPT Thread
        • 1/8" Inlet
        • 1/4" Inlet
        • 3/8" Inlet
        • 1/2" Inlet
        • 3/4" Inlet
        • 1" Inlet
      • BSPT(R) Thread
        • 1/4" Inlet
        • 3/8" Inlet
        • 1/2" Inlet
      • BSPP(G) Thread
        • 1/4" Inlet
        • 3/8" Inlet
        • 1/2" Inlet
      • Wide Manifolds
        • 1/4" Inlet
        • 3/8" Inlet
        • 1/2" Inlet
        • 3/4" Inlet
      • 90° Manifolds
        • 1/4" Inlet
        • 3/8" Inlet
        • 1/2" Inlet
      • Brass Manifolds
      • Stainless Steel Manifolds
    • FRL
      • Filters
        • Auto-Drain
        • Semi-Auto
      • Regulators
        • Auto-Drain
        • Semi-Auto
      • Lubricators
        • Semi-Auto
      • Combined
        • Auto-Drain
        • Semi-Auto
      • Shut-off Valves
      • Soft Start Valves
      • Accessories
    • Tubing
      • Imperial OD
        • 1/8" OD
        • 5/32" OD
        • 3/16" OD
        • 1/4" OD
        • 3/8" OD
        • 1/2" OD
      • Metric OD
        • 6mm OD
        • 8mm OD
        • 10mm OD
        • 12mm OD
        • 14mm OD
        • 16mm OD
      • Recoil Hoses
      • Accessories
    • Other Fittings
      • Hose Accessories
      • Interchange Quick Couplers
      • Interchange Quick Nipples
      • Plastic Barbs
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    Catalogs

    • Composite PTC Catalog 2025 >

      Standard and Compact push to connect fittings.

    • Stainless Steel PTC Catalog 2025 >

      Stainless steel 316L push to connect fittings.

    • Nickel-Plated Brass PTC Catalog 2025 >

      Nickel-plated brass push to connect fittings.

    • Stainless Steel Barb & Pipe Catalog 2022 >

      Standard and miniature, barb and pipe fittings.

    • Brass Barb & Pipe Catalog 2021 >

      Standard and miniature, barb and pipe fittings.

    • Miniature Barb & Pipe Catalog 2025 >

      Brass and nickel-plated brass, barb and pipe fittings.

    • BSPT(R) & BSPP(G) Barb & Pipe Catalog 2021 >

      Nickel-plated brass and stainless steel, barb and pipe fittings.

    • Mufflers & Silencers Catalog 2025 >

      Stainless steel, bronze, aluminum, zinc, and plastic mufflers and silencers.

    • Valves Catalog 2013 >

      Control, mechanical, and solenoid valves; foot pedals; and valve manifolds.

    • Inline Manifolds Catalog 2025 >

      NPT, BSPT(R), and BSPP(G) manifolds in aluminum; NPT manifolds in stainless steel.

    • FRL Catalog 2013 >

      Filters, regulators, lubricators, shut-off valves, and accessories.

    • Tubing Catalog 2025 >

      Imperial OD and metric OD polyurethane tubing; recoil hoses and accessories.

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