Ace Filtration manufacture HEPA Filters with the standard Deep Pleat HEPA Filters are constructed to order to suit particular size and application requirements alongside the Mini Pleat HEPA 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 and the Multi Wedge HEPA Filters where strict quality control is enforced throughout manufacture and on completion with each individual HEPA Filter is tested and certified