Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: Not a 2-inch Internal Dia. Check Valve
Review: While probably Amazon's stocking or pick-error, was not a KC-2000 2-inch delivered. Instead was a 1.5-inch internal dimension item, the same as the KC-1500 I purchased in same order at a lower price. But not worth returning.
