These cartridges are manufactured from imported impregnated cellulose or synthetic blend filter media. These filter media is pleated in filter paper pleating machine, specially designed by our engineering division to create mechanical pleat separators for maintaining equal space between two pleats. The pleated media stack is supported by expanded metal outer retainer and zinc plated perforated inner retainer to bring stability in filter paper stack. Further to establish rigidity and stabilisation in completed filter cartridge, specially developed adhesive is applied on two end caps and outer surface of the cartridge. Cartridges are also offered with all sizes and shape for replacement market. In its respective range, Polyfil range covers all space cartridges equivalent to Donaldson, Pneumafil, AAF, Delberg & Farr.

These cartridges are manufactured from imported impregnated cellulose or synthetic blend filter media. These filter media is pleated in filter paper pleating machine, specially designed by our engineering division to create mechanical pleat separators for maintaining equal space between two pleats. The pleated media stack is supported by expanded metal outer retainer and zinc plated perforated inner retainer to bring stability in filter paper stack. Further to establish rigidity and stabilisation in completed filter cartridge, specially developed adhesive is applied on two end caps and outer surface of the cartridge. Cartridges are also offered with all sizes and shape for replacement market. In its respective range, Polyfil range covers all space cartridges equivalent to Donaldson, Pneumafil, AAF, Delberg & Farr.