Moen® products have been manufactured under the highest standards of quality and workmanship. Moen warrants to the original consumer purchaser for as long as the original consumer purchaser owns their home (the "Warranty Period" for homeowners), that this faucet will be leak- and drip-free during normal use and all parts and finishes of this faucet will be free from defects in material and manufacturing workmanship. All other purchasers (including purchasers for industrial, commercial and business use) are warranted for a period of 5 years from the original date of purchase (the "Warranty Period" for non-homeowners).
life time warranty , Were you the " original consumer purchaser" ? if not, the product is warranted for 5 years from date of purchase
their are no hurdles, the warranty CLEARLY states lifetime warranty to ORIGINAL purchaser
it also says, you have a warranty for 5 years from time of purchase. if not the original purchaser