02/26/2026- we arrived on site and were able to get a large enough extension ladder in the building from the back entrance to remove the extremely dirty air filters. We have found the size to be (2)16x24x2 and (2)16x25x2 air filters. The customer would like us to order the replacement filters and install them for him. He told us that he can remove the gate in front of the building to allow easier access with a ladder into the building as long as we schedule the replacement at a time here is here. We will need a 20ft A frame ladder or two technicians with a 24 ft extension ladder to access this unit.