The M-25D series allow for maximum flexibility for your filter configuration needs. These pass-through style units include a large filter access door which then makes a variety of filter combinations possible, and makes filter maintenance/changes very simple.
The M-25D Wrap-Around unit features a 3-sided, fiber covered, pre-filter cage for especially dirty environments. This is followed be a four inch pleated, Merv 8, industrial pre-filter which catches the larger particles, extending the life of the final stage, Merv 11 or optional Merv 15, multi-pocket bag filter. Our disposable filters are easy to service and provide for simple, low-cost maintenance.