Super Efficiency Air Filter consist of finaly pleated water resistant micro-fibre glass paper media, positively spaced using continuous thermoplastic cord. Positive pleat separation maximises the use of the media area and minimises pressure drops. The Mini-Pleat pack is bonded into the filter frame using Polyurethane. For handling and transit protective grilles are fited on the inlet and outlet faces as standard. Terminal Hoods are factory sealed and made with Polystyrene or Aluminium plenums.