
Pentair/Pentek claims this product is 100% Polypropylene (PP), so why does it have a California Proposition 65 warning? Polypropylene is not included in the list of carcinogens. I deduct a star for that. I'm assuming the product itself is 100% polypropylene, but the plastic packaging that the product comes in is not. But who knows, maybe the product isn't 100% polypropylene.

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