Marie Automatic Adjustable Size 3 Spring Hydraulic Door Closer Heavy Duty, Black Product Details High Quality - automatic door closer is made of high standard aluminum alloy. It can automatically and quietly close your door. Will improve your quality of life. You don't have to yell "shut the door" nearly as much any more. Adjustable Speed - Door closer has 2 valves independently control the closing and latching speed. You control the closing speed as you like. Easy to install Quality Standard - Door closer comes with a detailed and clear installation manual and installation video. It will be a simple and smooth installation. The hydraulic door closer has passed CE, UL, 3C certification and fire test. Produced according to EU production standards" Widely Applicable - Adjustable Door closer size 3 is used for door weight of 40-65KG and door width of 830-950mm. Automatic closing is suitable for right and left opened door, wood, metal door, residential and commercial door, exterior/interior door closer, fire door,hotel, condominium, apartment complex, warehouse. Warranty: Provide 3-year warranty, hydraulic door closer more than 500,000 opening and closing experiments, you can use it with confidence. If you are not satisfied with the purchased product, please let us know and we will provide you with a full refund or replacement. If you need the parallel plate, please contact us and we will send it to you. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.