efficient and durable coil solutions for heat pumps and air conditioners for fast, flexible application. features & benefits our antimicrobial drain pans have some of the lowest water retentions in the industry. superior service access to components, with tubing located at door split and foil-face insulation. two dual drains on front of coil for installation of drain lines and utility connections around furnace. on horizontal models drain pan is built into the side for easier more flexible installation. interlocking door assemblies and snug line seal grommets to minimize air leakage.