Lasco O-Ring # 02-1618P-#81 1-1/2X1-3/4X1/8 O-RG ( California Resident follow California Proposition 65 For more info Click https://www.p65warnings.ca.gov/,Returns : 10 to 25 % Restocking fee will be Charges, Customer has to pay both sides of the Fright. Installed parts are not covered for returns, Warranty: Warranty provided by the manufacturer. Contact Manufacturer in case of warranty issue)