Pleat Packs

Pleated air filters are an important part of Delta Filtration's product range, and are supplied in convenient pleat packs. The purpose of the pleats is to provide the maximum filtration area for a given volume. Delta Filtration's pleated filters are provided to meet the needs of a variety of filter manufacturers. These conveniently packaged pleated filters are ideally suited to the manufacturer that does not have a pleating machine.Pleated air filters from Delta Filtration are available in two media types, polyester-cotton and meltblown polypropylene, in efficiencies from 25% to 95% .The media is laminated with an expanded metal support grid for increased structural support. (See the Laminated Rolls page for further information)The pleated air filters are produced on a high-speed blade pleater and are packed in a cardboard cover for protection.The finished product is sold in packs of 200, 250, or 500, depending on the media type. Standard pleat depths are 1"(22mm), 2"(47mm) and 4"(94mm), although other sizes can be produced to suit your individual requirements.Delta Filtration is a registered member of ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers). Our filtration products perform to ASHRAE Standard 52.1 and 52.2 and to Eurovent EN 779