Profile: Ace Filtration Ltd. is a provider of industrial and commercial access doors & filters. We stock an extensive range of access doors, panel filters and grease filters. Kinds of our duct access doors are circular doors, flat doors, insulated tabbed doors and fire rated doors. Our cardboard framed filters are designed for general ventilation requirements. The Frame and facia of each type of filter is manufactured from water resistant cardboard and can be made with either a glass fiber or synthetic media core. On the other side, our HEPA or absolute filters are designed for the air intake and extract systems of critical applications where high efficiency filtration is necessary and will give protection to sub-micron level. HEPA filters are normally used as final filters and must be protected by pre-filters. Our access panels can be easily removed to allow for duct cleaning and routine hygiene maintenance. It also enhances with inspection and testing of induct items.