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The PENTAIR U43-12SSZ is a pack of ten 3/8-inch split lock washers. These washers work with various pump models, including IntellifloXF and WhisperfloXF. Each washer measures 0.68 inches in length and width, with a thickness of 0.13 inches. They are essential for securing connections and preventing loosening due to vibration.
These washers are designed to enhance the performance of your pumps by ensuring secure fittings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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