Drip pans catch excess liquids from plumbing, HVAC systems, or appliances, making them ideal for safeguarding cabinet interiors or utility installations. Their low-profile designs fit easily in tight spaces, while the materials resist corrosion and chemical wear. These pans extend the life of cabinetry by controlling messes before they spread. What is the difference between a drip pan and a drain pan? A drip pan catches incidental drips, while a drain pan may connect to a drainage line for continuous flow.