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Our most popular couplers, hose, clamps, and irrigation parts. Updated automatically based on what customers actually buy.

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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 2.99
$ 2.99 - $ 2.99
Current price $ 2.99

Foster 17-3, 1/4" Industrial Plug x 3/8" Hose ID, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 17-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 2.99
$ 2.99 - $ 2.99
Current price $ 2.99
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Original price $ 8.49
Original price $ 8.49 - Original price $ 8.49
Original price $ 8.49
Current price $ 6.79
$ 6.79 - $ 6.79
Current price $ 6.79

Foster 165-3, 1/4" Industrial Plug x 5/16" Hose ID, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 165-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 8.49
Original price $ 8.49 - Original price $ 8.49
Original price $ 8.49
Current price $ 6.79
$ 6.79 - $ 6.79
Current price $ 6.79
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Original price $ 7.99
Original price $ 7.99 - Original price $ 7.99
Original price $ 7.99
Current price $ 6.39
$ 6.39 - $ 6.39
Current price $ 6.39

Foster 16-3B, 1/4" Industrial Plug x 1/4" Hose ID, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 16-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 7.99
Original price $ 7.99 - Original price $ 7.99
Original price $ 7.99
Current price $ 6.39
$ 6.39 - $ 6.39
Current price $ 6.39
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Original price $ 3.39
Original price $ 3.39 - Original price $ 3.39
Original price $ 3.39
Current price $ 2.69
$ 2.69 - $ 2.69
Current price $ 2.69

Foster 16-3, 1/4" Industrial Plug x 1/4" Hose ID, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 16-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 3.39
Original price $ 3.39 - Original price $ 3.39
Original price $ 3.39
Current price $ 2.69
$ 2.69 - $ 2.69
Current price $ 2.69
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Original price $ 11.59
Original price $ 11.59 - Original price $ 11.59
Original price $ 11.59
Current price $ 9.29
$ 9.29 - $ 9.29
Current price $ 9.29

Foster 14-3GB, 1/4" Industrial Plug x 3/8" Male NPT, 3 Series, Ball Check, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 14-3GB is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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Original price $ 11.59
Original price $ 11.59 - Original price $ 11.59
Original price $ 11.59
Current price $ 9.29
$ 9.29 - $ 9.29
Current price $ 9.29
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Original price $ 9.39
Original price $ 9.39 - Original price $ 9.39
Original price $ 9.39
Current price $ 7.49
$ 7.49 - $ 7.49
Current price $ 7.49

Foster 14-3B, 1/4" Industrial Plug x 3/8" Male NPT, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 14-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 9.39
Original price $ 9.39 - Original price $ 9.39
Original price $ 9.39
Current price $ 7.49
$ 7.49 - $ 7.49
Current price $ 7.49
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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 2.99
$ 2.99 - $ 2.99
Current price $ 2.99

Foster 14-3, 1/4" Industrial Plug x 3/8" Male NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 14-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 2.99
$ 2.99 - $ 2.99
Current price $ 2.99
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Original price $ 11.39
Original price $ 11.39 - Original price $ 11.39
Original price $ 11.39
Current price $ 9.09
$ 9.09 - $ 9.09
Current price $ 9.09

Foster 10-3GS/S, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Ball Check, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3GS/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series ...

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Original price $ 11.39
Original price $ 11.39 - Original price $ 11.39
Original price $ 11.39
Current price $ 9.09
$ 9.09 - $ 9.09
Current price $ 9.09
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Original price $ 8.49
Original price $ 8.49 - Original price $ 8.49
Original price $ 8.49
Current price $ 6.79
$ 6.79 - $ 6.79
Current price $ 6.79

Foster 10-3GS, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Ball Check, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3GS is a Steel 1/4" industrial plug from the Foster 3 Series — the most...

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Original price $ 8.49
Original price $ 8.49 - Original price $ 8.49
Original price $ 8.49
Current price $ 6.79
$ 6.79 - $ 6.79
Current price $ 6.79
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Original price $ 6.89
Original price $ 6.89 - Original price $ 6.89
Original price $ 6.89
Current price $ 5.59
$ 5.59 - $ 5.59
Current price $ 5.59

Foster 10-3GB, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Ball Check, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3GB is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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Original price $ 6.89
Original price $ 6.89 - Original price $ 6.89
Original price $ 6.89
Current price $ 5.59
$ 5.59 - $ 5.59
Current price $ 5.59
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Original price $ 4.99
Original price $ 4.99 - Original price $ 4.99
Original price $ 4.99
Current price $ 3.99
$ 3.99 - $ 3.99
Current price $ 3.99

Foster 10-3G, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Ball Check, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3G is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 4.99
Original price $ 4.99 - Original price $ 4.99
Original price $ 4.99
Current price $ 3.99
$ 3.99 - $ 3.99
Current price $ 3.99
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Original price $ 9.49
Original price $ 9.49 - Original price $ 9.49
Original price $ 9.49
Current price $ 7.59
$ 7.59 - $ 7.59
Current price $ 7.59

Foster 10-3S/S, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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Original price $ 9.49
Original price $ 9.49 - Original price $ 9.49
Original price $ 9.49
Current price $ 7.59
$ 7.59 - $ 7.59
Current price $ 7.59
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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 3.09
$ 3.09 - $ 3.09
Current price $ 3.09

Foster 10-3B, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 3.79
Original price $ 3.79 - Original price $ 3.79
Original price $ 3.79
Current price $ 3.09
$ 3.09 - $ 3.09
Current price $ 3.09
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Original price $ 2.39
Original price $ 2.39 - Original price $ 2.39
Original price $ 2.39
Current price $ 1.89
$ 1.89 - $ 1.89
Current price $ 1.89

Foster 10-3, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 2.39
Original price $ 2.39 - Original price $ 2.39
Original price $ 2.39
Current price $ 1.89
$ 1.89 - $ 1.89
Current price $ 1.89
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Original price $ 12.49
Original price $ 12.49 - Original price $ 12.49
Original price $ 12.49
Current price $ 9.99
$ 9.99 - $ 9.99
Current price $ 9.99

Foster 12-3S/S, 1/4" Industrial Plug x 1/8" Male NPT, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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Original price $ 12.49
Original price $ 12.49 - Original price $ 12.49
Original price $ 12.49
Current price $ 9.99
$ 9.99 - $ 9.99
Current price $ 9.99
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Original price $ 4.99
Original price $ 4.99 - Original price $ 4.99
Original price $ 4.99
Current price $ 3.99
$ 3.99 - $ 3.99
Current price $ 3.99

Foster 12-3B, 1/4" Industrial Plug x 1/8" Male NPT, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 4.99
Original price $ 4.99 - Original price $ 4.99
Original price $ 4.99
Current price $ 3.99
$ 3.99 - $ 3.99
Current price $ 3.99
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Original price $ 2.89
Original price $ 2.89 - Original price $ 2.89
Original price $ 2.89
Current price $ 2.29
$ 2.29 - $ 2.29
Current price $ 2.29

Foster 12-3, 1/4" Industrial Plug x 1/8" Male NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

View full details
Original price $ 2.89
Original price $ 2.89 - Original price $ 2.89
Original price $ 2.89
Current price $ 2.29
$ 2.29 - $ 2.29
Current price $ 2.29
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Original price $ 5.79
Original price $ 5.79 - Original price $ 5.79
Original price $ 5.79
Current price $ 4.59
$ 4.59 - $ 4.59
Current price $ 4.59

Foster 15-3, 1/4" Industrial Plug x 3/8" Female NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 15-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 5.79
Original price $ 5.79 - Original price $ 5.79
Original price $ 5.79
Current price $ 4.59
$ 4.59 - $ 4.59
Current price $ 4.59
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Original price $ 11.39
Original price $ 11.39 - Original price $ 11.39
Original price $ 11.39
Current price $ 9.09
$ 9.09 - $ 9.09
Current price $ 9.09

Foster 11-3S/S, 1/4" Industrial Plug x 1/4" Female NPT, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 11-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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Original price $ 11.39
Original price $ 11.39 - Original price $ 11.39
Original price $ 11.39
Current price $ 9.09
$ 9.09 - $ 9.09
Current price $ 9.09
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Original price $ 4.79
Original price $ 4.79 - Original price $ 4.79
Original price $ 4.79
Current price $ 3.79
$ 3.79 - $ 3.79
Current price $ 3.79

Foster 11-3B, 1/4" Industrial Plug x 1/4" Female NPT, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 11-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 4.79
Original price $ 4.79 - Original price $ 4.79
Original price $ 4.79
Current price $ 3.79
$ 3.79 - $ 3.79
Current price $ 3.79
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Original price $ 2.69
Original price $ 2.69 - Original price $ 2.69
Original price $ 2.69
Current price $ 2.19
$ 2.19 - $ 2.19
Current price $ 2.19

Foster 11-3, 1/4" Industrial Plug x 1/4" Female NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 11-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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Original price $ 2.69
Original price $ 2.69 - Original price $ 2.69
Original price $ 2.69
Current price $ 2.19
$ 2.19 - $ 2.19
Current price $ 2.19
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Original price $ 34.09
Original price $ 34.09 - Original price $ 34.09
Original price $ 34.09
Current price $ 27.29
$ 27.29 - $ 27.29
Current price $ 27.29

Foster 13-3S/S, 1/4" Industrial Plug x 1/8" Female NPT, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 13-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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Original price $ 34.09
Original price $ 34.09 - Original price $ 34.09
Original price $ 34.09
Current price $ 27.29
$ 27.29 - $ 27.29
Current price $ 27.29
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Original price $ 5.59
Original price $ 5.59 - Original price $ 5.59
Original price $ 5.59
Current price $ 4.49
$ 4.49 - $ 4.49
Current price $ 4.49

Foster 13-3B, 1/4" Industrial Plug x 1/8" Female NPT, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 13-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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Original price $ 5.59
Original price $ 5.59 - Original price $ 5.59
Original price $ 5.59
Current price $ 4.49
$ 4.49 - $ 4.49
Current price $ 4.49
Save 20% Save %
Original price $ 3.29
Original price $ 3.29 - Original price $ 3.29
Original price $ 3.29
Current price $ 2.59
$ 2.59 - $ 2.59
Current price $ 2.59

Foster 13-3, 1/4" Industrial Plug x 1/8" Female NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 13-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

View full details
Original price $ 3.29
Original price $ 3.29 - Original price $ 3.29
Original price $ 3.29
Current price $ 2.59
$ 2.59 - $ 2.59
Current price $ 2.59
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