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Pneumatic Quick Couplers

Pneumatic quick couplers connect and disconnect air lines in one quick motion, no tools required. This collection covers the full range of air quick couplers and plugs across every interchange, from miniature 2 Series to industrial body sizes, in steel, brass, and stainless. Filter by series, body size, thread, and material to find the exact coupler or plug your air system needs.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 31.19
$ 31.19 - $ 31.19
$ 31.19
$ 24.89
$ 24.89 - $ 24.89
$ 24.89

Foster A-3653, 1/4" Acetylene Coupler x 5/16" Hose ID, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3653 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 31.19
$ 31.19 - $ 31.19
$ 31.19
$ 24.89
$ 24.89 - $ 24.89
$ 24.89
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49

Foster BLA-2803, 1/4" Acetylene Coupler x 1/8" Female NPT, A70 Series (Hansen 700), Ball Lock, Brass

Brass quick couplers for acetylene and gas service. The Foster BLA-2803 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 c...

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$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99

Foster A-3303, 1/4" Acetylene Coupler x 3/8" Male NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3303 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 25.29
$ 25.29 - $ 25.29
$ 25.29
$ 20.29
$ 20.29 - $ 20.29
$ 20.29

Foster A-3603, 1/4" Acetylene Coupler x 1/4" Hose ID, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3603 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 25.29
$ 25.29 - $ 25.29
$ 25.29
$ 20.29
$ 20.29 - $ 20.29
$ 20.29
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 25.39
$ 25.39 - $ 25.39
$ 25.39
$ 20.29
$ 20.29 - $ 20.29
$ 20.29

Foster A-3203, 1/4" Acetylene Coupler x 3/8" Female NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3203 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 25.39
$ 25.39 - $ 25.39
$ 25.39
$ 20.29
$ 20.29 - $ 20.29
$ 20.29
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 25.19
$ 25.19 - $ 25.19
$ 25.19
$ 20.19
$ 20.19 - $ 20.19
$ 20.19

Foster A-3703, 1/4" Acetylene Coupler x 3/8" Hose ID, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3703 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 25.19
$ 25.19 - $ 25.19
$ 25.19
$ 20.19
$ 20.19 - $ 20.19
$ 20.19
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 24.09
$ 24.09 - $ 24.09
$ 24.09
$ 19.29
$ 19.29 - $ 19.29
$ 19.29

Foster A-3003, 1/4" Acetylene Coupler x 1/4" Female NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3003 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 24.09
$ 24.09 - $ 24.09
$ 24.09
$ 19.29
$ 19.29 - $ 19.29
$ 19.29
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.69
$ 26.69 - $ 26.69
$ 26.69

Foster A-2803, 1/4" Acetylene Coupler x 1/8" Female NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-2803 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.69
$ 26.69 - $ 26.69
$ 26.69
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 24.19
$ 24.19 - $ 24.19
$ 24.19
$ 19.39
$ 19.39 - $ 19.39
$ 19.39

Foster A-3103, 1/4" Acetylene Coupler x 1/4" Male NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-3103 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 24.19
$ 24.19 - $ 24.19
$ 24.19
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 10.59
$ 10.59 - $ 10.59
$ 10.59
$ 8.49
$ 8.49 - $ 8.49
$ 8.49

Foster A-17, 1/4" Acetylene Plug x 3/8" Hose ID, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-17 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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$ 10.59
$ 10.59 - $ 10.59
$ 10.59
$ 8.49
$ 8.49 - $ 8.49
$ 8.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 29.49
$ 29.49 - $ 29.49
$ 29.49
$ 23.59
$ 23.59 - $ 23.59
$ 23.59

Foster A-2903, 1/4" Acetylene Coupler x 1/8" Male NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-2903 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 cou...

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$ 29.49
$ 29.49 - $ 29.49
$ 29.49
$ 23.59
$ 23.59 - $ 23.59
$ 23.59
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 9.49
$ 9.49 - $ 9.49
$ 9.49
$ 7.59
$ 7.59 - $ 7.59
$ 7.59

Foster A-12, 1/4" Acetylene Plug x 1/8" Male NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-12 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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$ 9.49
$ 9.49 - $ 9.49
$ 9.49
$ 7.59
$ 7.59 - $ 7.59
$ 7.59
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 9.79
$ 9.79 - $ 9.79
$ 9.79
$ 7.79
$ 7.79 - $ 7.79
$ 7.79

Foster A-10, 1/4" Acetylene Plug x 1/4" Male NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-10 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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$ 9.79
$ 9.79 - $ 9.79
$ 9.79
$ 7.79
$ 7.79 - $ 7.79
$ 7.79
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 10.59
$ 10.59 - $ 10.59
$ 10.59
$ 8.49
$ 8.49 - $ 8.49
$ 8.49

Foster A-16, 1/4" Acetylene Plug x 1/4" Hose ID, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-16 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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$ 10.59
$ 10.59 - $ 10.59
$ 10.59
$ 8.49
$ 8.49 - $ 8.49
$ 8.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 10.39
$ 10.39 - $ 10.39
$ 10.39
$ 8.29
$ 8.29 - $ 8.29
$ 8.29

Foster A-11, 1/4" Acetylene Plug x 1/4" Female NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-11 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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$ 10.39
$ 10.39 - $ 10.39
$ 10.39
$ 8.29
$ 8.29 - $ 8.29
$ 8.29
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 36.89
$ 36.89 - $ 36.89
$ 36.89
$ 29.49
$ 29.49 - $ 29.49
$ 29.49

Foster 3R4015, 3/8" Hansen RL Interchange Air Coupler x 3/8" NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3R4015 is a 3/8" coupler from the 3FRL Series, which interchanges with Hansen 3/8" 3R...

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$ 36.89
$ 36.89 - $ 36.89
$ 36.89
$ 29.49
$ 29.49 - $ 29.49
$ 29.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69

Foster 3L61G, 3/8" Hansen RL Interchange Air Plug Ball Check x 3/4" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L61G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

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$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 16.19
$ 16.19 - $ 16.19
$ 16.19
$ 12.99
$ 12.99 - $ 12.99
$ 12.99

Foster 3L61, 3/8" Hansen RL Interchange Air Plug x 3/4" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L61 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 16.19
$ 16.19 - $ 16.19
$ 16.19
$ 12.99
$ 12.99 - $ 12.99
$ 12.99
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79

Foster 3R4905, 3/8" Hansen RL Interchange Air Coupler x 3/8" NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3R4905 is a 3/8" coupler from the 3FRL Series, which interchanges with Hansen 3/8" 3R...

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$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39

Foster 3L60, 3/8" Hansen RL Interchange Air Plug x 1/2" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L60 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19

Foster 3L60G, 3/8" Hansen RL Interchange Air Plug Ball Check x 1/2" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L60G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

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$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09

Foster 3L58, 3/8" Hansen RL Interchange Air Plug x 1/4" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L58 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 22.49
$ 22.49 - $ 22.49
$ 22.49
$ 17.99
$ 17.99 - $ 17.99
$ 17.99

Foster 3L57, 3/8" Hansen RL Interchange Air Plug x 3/4" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L57 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 22.49
$ 22.49 - $ 22.49
$ 22.49
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19

Foster 3L59G, 3/8" Hansen RL Interchange Air Plug Ball Check x 3/8" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L59G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

View full details
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
Save 20% Save %

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