Aprilaire 5000 Filter Frame Assembly 4308. The black plastic filter frame has an overall size measuring 27 x 16Â¾ x 7Â½".
The filter frame comes with: Pleat SpacersÂ 4270Â (Qty 6) Filter Seals (pink insulation)
Used in all model 5000, from the first model to present. This assembly is ready to snap on to ionizer frameÂ 4598, installÂ 501Â filter, and run.