The Trane BAYFLTR101C Filter Rack is an HVAC component designed to securely hold an air filter within compatible Trane heating and cooling systems. It provides a stable mounting point that keeps the filter properly positioned in the return or air-handling section, allowing air to pass through the filter for effective removal of dust, dirt, and airborne particles. Used with compatible ... https://www.partshnc.com/bayfltr101c-trane-filter-rack