<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Pipe Class</td><td>HVAC/R Grade / Refrigeration Grade</td><td>Connectivity</td><td>Flare Nut / Brazed / Welded / Customized</td></tr><tr><td>Surface Treatment</td><td>Insulated / PE Cover / Natural Tube</td><td>Technic</td><td>Tube Cutting / Insulation Covering</td></tr><tr><td>shape</td><td>Straight / Coil / Customized</td><td>head code</td><td>Flared End / Nut End / Customized</td></tr><tr><td>Mounting hole diameter</td><td>N/A / Customized</td><td>customized support</td><td>OEM, ODM</td></tr><tr><td>Application</td><td>AC Pipe Install</td><td>Main Feature</td><td>Smooth Insulation</td></tr><tr><td>Buyer Type</td><td>Installer, Seller</td><td>Length Option</td><td>3m, 5m, 16ft, Customized</td></tr><tr><td>Insulation</td><td>PE / Rubber Foam Optional</td><td>Tube Option</td><td>Copper / Aluminum Optional</td></tr><tr><td>Fitting Option</td><td>Flare Nut Optional</td><td>Refrigerant</td><td>R410A / R32 / R22 Optional</td></tr><tr><td>Packing</td><td>Coil, Bag, Carton</td><td>OEM Service</td><td>OEM/ODM Supported</td></tr></tbody></table>
