Contractor Top-Read Aluminum Level, 3 Vials, 24-In. Sump Pump Liner pH Plus raises the pH

pH Plus raises the pH of pool water efficiently and economically

holds 70 quarts (17

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The best value for an economy blade

Contractor Top-Read Aluminum Level, 3 Vials, 24-In. Sump Pump Liner pH Plus raises the pHJohnson's 3700 I beam level was designed to be durable and easy to use so much so that it has been the standard in the industry for over 30 years. Its heavy duty aluminum frame ensures accuracy and is durable enough to withstand even the roughest jobsite abuse, and that frame is protected by shock absorbing end caps if the level is accidentally dropped. The level also comes equipped with replaceable, durable acrylic vials that are impact resistant