For Availability and Shipping Estimate: Pls call/Text us @ 773-719-1452 or E mail customer@zainabsupplies.com,Shipping Charges are estimated, Overnight shipping and Overseas shipping also available. For California Resident follow the 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., Must Install the Parts by Professional /Engineer /Technician. Pls follow the installation of Parts/Equipment as per manufacturer guideline other wise may occur the accident like Electric shock, Life Injury or any kind of damage. It is a customer responsibility to follow the instruction of installation.