Check it out! New Mainline Faucet Collections!

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Test Plugs

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4″ Standard PR Pneumatic Test Ball Plug

Model #: ML83588

Model: ML83588

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3″ Standard PR Pneumatic Test Ball Plug

Model #: ML83587

Model: ML83587

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2″ Standard PR Pneumatic Test Ball Plug

Model #: ML83586

Model: ML83586

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1-1/2″ Standard PR Pneumatic Test Ball Plug

Model #: ML83585

Model: ML83585

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8″ Twist-Tite Mechanical Wing Nut Test Plug

Model #: ML11079

Model: ML11079

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6″ Twist-Tite Mechanical Wing Nut Test Plug

Model #: ML11078

Model: ML11078

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4″ T-Cone Cleanout Test Plug

Model #: ML10493

Model: ML10493

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3″ T-Cone Cleanout Test Plug

Model #: ML10492

Model: ML10492

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2″ T-Cone Cleanout Test Plug

Model #: ML10491

Model: ML10491

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1-1/2″ T-Cone Cleanout Test Plug

Model #: ML10490

Model: ML10490

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4″ Economy Wing Nut Test Plug

Model #: ML10489

Model: ML10489

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3″ Economy Wing Nut Test Plug

Model #: ML10488

Model: ML10488

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Why Mainline?

Because we know the industry. Because we innovate for it. Because we adapt to it. Because we are constantly expanding our line to support your needs. Because we help you propel each project with quality products fit for a PRO.

Mainline. Preferred by the Pros.

Check it out! New Mainline Faucet Collections!

Test Plugs

Test Plugs

4″ Standard PR Pneumatic Test Ball Plug

3″ Standard PR Pneumatic Test Ball Plug

2″ Standard PR Pneumatic Test Ball Plug

1-1/2″ Standard PR Pneumatic Test Ball Plug

8″ Twist-Tite Mechanical Wing Nut Test Plug

6″ Twist-Tite Mechanical Wing Nut Test Plug

4″ T-Cone Cleanout Test Plug

3″ T-Cone Cleanout Test Plug

2″ T-Cone Cleanout Test Plug

1-1/2″ T-Cone Cleanout Test Plug

4″ Economy Wing Nut Test Plug

3″ Economy Wing Nut Test Plug

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