The Polycarbonate MT-501 is one of 4 members of our industrial socket quartet. This socket works on several different industrial filters that use four-lobe clamp knob locking systems. It also quickly removes the four lobe knobs securing the cover of the Pentair HCP commercial pool pump found on both larger commercial pools and some water parks. 1 Year Warranty.
Shipping Included (within the continental US)*
*a 10% surcharge will be added to orders shipped to Alaska and Hawaii.
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